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3 <a class="xref" href="sql-keywords-appendix.html#KEYWORDS-TABLE" title="Table C.1. SQL Key Words">Table C.1</a> lists all tokens that are key words
4 in the SQL standard and in <span class="productname">PostgreSQL</span>
5 18.0. Background information can be found in <a class="xref" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS" title="4.1.1. Identifiers and Key Words">Section 4.1.1</a>.
6 (For space reasons, only the latest two versions of the SQL standard, and
7 SQL-92 for historical comparison, are included. The differences between
8 those and the other intermediate standard versions are small.)
10 SQL distinguishes between <em class="firstterm">reserved</em> and
11 <em class="firstterm">non-reserved</em> key words. According to the standard,
13 are the only real key words; they are never allowed as identifiers.
14 Non-reserved key words only have a special meaning in particular
15 contexts and can be used as identifiers in other contexts. Most
16 non-reserved key words are actually the names of built-in tables
17 and functions specified by SQL. The concept of non-reserved key
18 words essentially only exists to declare that some predefined meaning
19 is attached to a word in some contexts.
21 In the <span class="productname">PostgreSQL</span> parser, life is a bit
22 more complicated. There are several different classes of tokens
23 ranging from those that can never be used as an identifier to those
24 that have absolutely no special status in the parser, but are considered
25 ordinary identifiers. (The latter is usually the case for
26 functions specified by SQL.) Even reserved key words are not
27 completely reserved in <span class="productname">PostgreSQL</span>, but
28 can be used as column labels (for example, <code class="literal">SELECT 55 AS
29 CHECK</code>, even though <code class="token">CHECK</code> is a reserved key
32 In <a class="xref" href="sql-keywords-appendix.html#KEYWORDS-TABLE" title="Table C.1. SQL Key Words">Table C.1</a> in the column for
33 <span class="productname">PostgreSQL</span> we classify as
34 <span class="quote">“<span class="quote">non-reserved</span>”</span> those key words that are explicitly
35 known to the parser but are allowed as column or table names.
36 Some key words that are otherwise
37 non-reserved cannot be used as function or data type names and are
38 marked accordingly. (Most of these words represent built-in
39 functions or data types with special syntax. The function or type
40 is still available but it cannot be redefined by the user.) Labeled
41 <span class="quote">“<span class="quote">reserved</span>”</span> are those tokens that are not allowed as
42 column or table names. Some reserved key words are
43 allowable as names for functions or data types; this is also shown in the
44 table. If not so marked, a reserved key word is only allowed as a
46 A blank entry in this column means that the word is treated as an
47 ordinary identifier by <span class="productname">PostgreSQL</span>.
49 Furthermore, while most key words can be used as <span class="quote">“<span class="quote">bare</span>”</span>
50 column labels without writing <code class="literal">AS</code> before them (as
51 described in <a class="xref" href="queries-select-lists.html#QUERIES-COLUMN-LABELS" title="7.3.2. Column Labels">Section 7.3.2</a>), there are a few
52 that require a leading <code class="literal">AS</code> to avoid ambiguity. These
53 are marked in the table as <span class="quote">“<span class="quote">requires <code class="literal">AS</code></span>”</span>.
55 As a general rule, if you get spurious parser errors for commands
56 that use any of the listed key words as an identifier, you should
57 try quoting the identifier to see if the problem goes away.
59 It is important to understand before studying <a class="xref" href="sql-keywords-appendix.html#KEYWORDS-TABLE" title="Table C.1. SQL Key Words">Table C.1</a> that the fact that a key word is not
60 reserved in <span class="productname">PostgreSQL</span> does not mean that
61 the feature related to the word is not implemented. Conversely, the
62 presence of a key word does not indicate the existence of a feature.
63 </p><div class="table" id="KEYWORDS-TABLE"><p class="title"><strong>Table C.1. <acronym class="acronym">SQL</acronym> Key Words</strong></p><div class="table-contents"><table class="table" summary="SQL Key Words" border="1"><colgroup><col class="col1" /><col class="col2" /><col class="col3" /><col class="col4" /><col class="col5" /></colgroup><thead><tr><th>Key Word</th><th><span class="productname">PostgreSQL</span></th><th>SQL:2023</th><th>SQL:2016</th><th>SQL-92</th></tr></thead><tbody><tr><td><code class="token">A</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ABORT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ABS</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ABSENT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ABSOLUTE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">ACCESS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ACCORDING</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ACOS</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ACTION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">ADA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">ADD</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">ADMIN</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">AFTER</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">AGGREGATE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ALL</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ALLOCATE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ALSO</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ALTER</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ALWAYS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ANALYSE</code></td><td>reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ANALYZE</code></td><td>reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">AND</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ANY</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ANY_VALUE</code></td><td> </td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">ARE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ARRAY</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ARRAY_AGG</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ARRAY_MAX_CARDINALITY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">AS</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ASC</code></td><td>reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">ASENSITIVE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ASIN</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ASSERTION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">ASSIGNMENT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ASYMMETRIC</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">AT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ATAN</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ATOMIC</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ATTACH</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ATTRIBUTE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ATTRIBUTES</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">AUTHORIZATION</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">AVG</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">BACKWARD</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">BASE64</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">BEFORE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">BEGIN</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">BEGIN_FRAME</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">BEGIN_PARTITION</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">BERNOULLI</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">BETWEEN</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">BIGINT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">BINARY</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">BIT</code></td><td>non-reserved (cannot be function or type)</td><td> </td><td> </td><td>reserved</td></tr><tr><td><code class="token">BIT_LENGTH</code></td><td> </td><td> </td><td> </td><td>reserved</td></tr><tr><td><code class="token">BLOB</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">BLOCKED</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">BOM</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">BOOLEAN</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">BOTH</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">BREADTH</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">BTRIM</code></td><td> </td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">BY</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">C</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CACHE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CALL</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CALLED</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CARDINALITY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CASCADE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">CASCADED</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CASE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CAST</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CATALOG</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">CATALOG_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CEIL</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CEILING</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CHAIN</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CHAINING</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CHAR</code></td><td>non-reserved (cannot be function or type), requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CHARACTER</code></td><td>non-reserved (cannot be function or type), requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CHARACTERISTICS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CHARACTERS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CHARACTER_LENGTH</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CHARACTER_SET_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CHARACTER_SET_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CHARACTER_SET_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CHAR_LENGTH</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CHECK</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CHECKPOINT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CLASS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CLASSIFIER</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CLASS_ORIGIN</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CLOB</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CLOSE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CLUSTER</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">COALESCE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">COBOL</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">COLLATE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">COLLATION</code></td><td>reserved (can be function or type)</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">COLLATION_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">COLLATION_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">COLLATION_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">COLLECT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">COLUMN</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">COLUMNS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">COLUMN_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">COMMAND_FUNCTION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">COMMAND_FUNCTION_CODE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">COMMENT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">COMMENTS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">COMMIT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">COMMITTED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">COMPRESSION</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CONCURRENTLY</code></td><td>reserved (can be function or type)</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CONDITION</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CONDITIONAL</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CONDITION_NUMBER</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CONFIGURATION</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CONFLICT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CONNECT</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CONNECTION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">CONNECTION_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CONSTRAINT</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CONSTRAINTS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">CONSTRAINT_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CONSTRAINT_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CONSTRAINT_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CONSTRUCTOR</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CONTAINS</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CONTENT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CONTINUE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">CONTROL</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">CONVERSION</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CONVERT</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">COPARTITION</code></td><td> </td><td>non-reserved</td><td> </td><td> </td></tr><tr><td><code class="token">COPY</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CORR</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CORRESPONDING</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">COS</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">COSH</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">COST</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">COUNT</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">COVAR_POP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">COVAR_SAMP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CREATE</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CROSS</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CSV</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">CUBE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CUME_DIST</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CURRENT_CATALOG</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT_DATE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CURRENT_DEFAULT_TRANSFORM_GROUP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT_PATH</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT_ROLE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT_ROW</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT_SCHEMA</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT_TIME</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CURRENT_TIMESTAMP</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CURRENT_TRANSFORM_GROUP_FOR_TYPE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">CURRENT_USER</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CURSOR</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">CURSOR_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">CYCLE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DATA</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">DATABASE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DATALINK</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DATE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DATETIME_INTERVAL_CODE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">DATETIME_INTERVAL_PRECISION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">DAY</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DB</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DEALLOCATE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DEC</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DECFLOAT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DECIMAL</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DECLARE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DEFAULT</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DEFAULTS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DEFERRABLE</code></td><td>reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">DEFERRED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">DEFINE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DEFINED</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DEFINER</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DEGREE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DELETE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DELIMITER</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DELIMITERS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DENSE_RANK</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DEPENDS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DEPTH</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DEREF</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DERIVED</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DESC</code></td><td>reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">DESCRIBE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DESCRIPTOR</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">DETACH</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DETERMINISTIC</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DIAGNOSTICS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">DICTIONARY</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DISABLE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DISCARD</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DISCONNECT</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DISPATCH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DISTINCT</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DLNEWCOPY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLPREVIOUSCOPY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLCOMPLETE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLCOMPLETEONLY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLCOMPLETEWRITE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLPATH</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLPATHONLY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLPATHWRITE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLSCHEME</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLURLSERVER</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DLVALUE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DO</code></td><td>reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">DOCUMENT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">DOMAIN</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">DOUBLE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DROP</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">DYNAMIC</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">DYNAMIC_FUNCTION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">DYNAMIC_FUNCTION_CODE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">EACH</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ELEMENT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ELSE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">EMPTY</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ENABLE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ENCODING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ENCRYPTED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">END</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">END-EXEC</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">END_FRAME</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">END_PARTITION</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ENFORCED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ENUM</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">EQUALS</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ERROR</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ESCAPE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">EVENT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">EVERY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">EXCEPT</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">EXCEPTION</code></td><td> </td><td> </td><td> </td><td>reserved</td></tr><tr><td><code class="token">EXCLUDE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">EXCLUDING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">EXCLUSIVE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">EXEC</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">EXECUTE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">EXISTS</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">EXP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">EXPLAIN</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">EXPRESSION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">EXTENSION</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">EXTERNAL</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">EXTRACT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FALSE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FAMILY</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">FETCH</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FILE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FILTER</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">FINAL</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FINALIZE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">FINISH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FIRST</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">FIRST_VALUE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">FLAG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FLOAT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FLOOR</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">FOLLOWING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FOR</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FORCE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">FOREIGN</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FORMAT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FORTRAN</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">FORWARD</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">FOUND</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">FRAME_ROW</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">FREE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">FREEZE</code></td><td>reserved (can be function or type)</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">FROM</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FULFILL</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">FULL</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">FUNCTION</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">FUNCTIONS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">FUSION</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">G</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">GENERAL</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">GENERATED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">GET</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">GLOBAL</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">GO</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">GOTO</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">GRANT</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">GRANTED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">GREATEST</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">GROUP</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">GROUPING</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">GROUPS</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">HANDLER</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">HAVING</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">HEADER</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">HEX</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">HIERARCHY</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">HOLD</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">HOUR</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ID</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">IDENTITY</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">IF</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">IGNORE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ILIKE</code></td><td>reserved (can be function or type)</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">IMMEDIATE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">IMMEDIATELY</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">IMMUTABLE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">IMPLEMENTATION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">IMPLICIT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">IMPORT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">IN</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INCLUDE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">INCLUDING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">INCREMENT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">INDENT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">INDEX</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">INDEXES</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">INDICATOR</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INHERIT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">INHERITS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">INITIAL</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">INITIALLY</code></td><td>reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">INLINE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">INNER</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INOUT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">INPUT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">INSENSITIVE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INSERT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INSTANCE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">INSTANTIABLE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">INSTEAD</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">INT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INTEGER</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INTEGRITY</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">INTERSECT</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INTERSECTION</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">INTERVAL</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INTO</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">INVOKER</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">IS</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ISNULL</code></td><td>reserved (can be function or type), requires <code class="literal">AS</code></td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ISOLATION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">JOIN</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">JSON</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">JSON_ARRAY</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_ARRAYAGG</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_EXISTS</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_OBJECT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_OBJECTAGG</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_QUERY</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_SCALAR</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">JSON_SERIALIZE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">JSON_TABLE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_TABLE_PRIMITIVE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">JSON_VALUE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">K</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">KEEP</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">KEY</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">KEYS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">KEY_MEMBER</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">KEY_TYPE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">LABEL</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">LAG</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LANGUAGE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">LARGE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LAST</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">LAST_VALUE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LATERAL</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LEAD</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LEADING</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">LEAKPROOF</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">LEAST</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">LEFT</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">LENGTH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">LEVEL</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">LIBRARY</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">LIKE</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">LIKE_REGEX</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LIMIT</code></td><td>reserved, requires <code class="literal">AS</code></td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">LINK</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">LISTAGG</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LISTEN</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">LN</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LOAD</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">LOCAL</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">LOCALTIME</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LOCALTIMESTAMP</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LOCATION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">LOCATOR</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">LOCK</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">LOCKED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">LOG</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LOG10</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">LOGGED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">LOWER</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">LPAD</code></td><td> </td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">LTRIM</code></td><td> </td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">M</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">MAP</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">MAPPING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">MATCH</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">MATCHED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">MATCHES</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MATCH_NUMBER</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MATCH_RECOGNIZE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MATERIALIZED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">MAX</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">MAXVALUE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">MEASURES</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">MEMBER</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MERGE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MERGE_ACTION</code></td><td>non-reserved (cannot be function or type)</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">MESSAGE_LENGTH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">MESSAGE_OCTET_LENGTH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">MESSAGE_TEXT</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">METHOD</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MIN</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">MINUTE</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">MINVALUE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">MOD</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MODE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">MODIFIES</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MODULE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">MONTH</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">MORE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">MOVE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">MULTISET</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">MUMPS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">NAME</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">NAMES</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">NAMESPACE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NATIONAL</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">NATURAL</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">NCHAR</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">NCLOB</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">NESTED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NESTING</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NEW</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">NEXT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">NFC</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NFD</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NFKC</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NFKD</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NIL</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NO</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">NONE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">NORMALIZE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">NORMALIZED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NOT</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">NOTHING</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">NOTIFY</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">NOTNULL</code></td><td>reserved (can be function or type), requires <code class="literal">AS</code></td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">NOWAIT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">NTH_VALUE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">NTILE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">NULL</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">NULLABLE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">NULLIF</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">NULLS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NULL_ORDERING</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">NUMBER</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">NUMERIC</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">OBJECT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OBJECTS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">OCCURRENCE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OCCURRENCES_REGEX</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">OCTETS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OCTET_LENGTH</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">OF</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">OFF</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OFFSET</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">OIDS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">OLD</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">OMIT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ON</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ONE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ONLY</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">OPEN</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">OPERATOR</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">OPTION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">OPTIONS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OR</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ORDER</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ORDERING</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ORDINALITY</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OTHERS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OUT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">OUTER</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">OUTPUT</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">OVER</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">OVERFLOW</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OVERLAPS</code></td><td>reserved (can be function or type), requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">OVERLAY</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">OVERRIDING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">OWNED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">OWNER</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">P</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PAD</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">PARALLEL</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PARAMETER</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PARAMETER_MODE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PARAMETER_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PARAMETER_ORDINAL_POSITION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PARAMETER_SPECIFIC_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PARAMETER_SPECIFIC_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PARAMETER_SPECIFIC_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PARSER</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PARTIAL</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">PARTITION</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PASCAL</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">PASS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PASSING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PASSTHROUGH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PASSWORD</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PAST</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PATH</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PATTERN</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PER</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PERCENT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PERCENTILE_CONT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PERCENTILE_DISC</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PERCENT_RANK</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PERIOD</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PERMISSION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PERMUTE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PIPE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PLACING</code></td><td>reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PLAN</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PLANS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PLI</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">POLICY</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PORTION</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">POSITION</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">POSITION_REGEX</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">POWER</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PRECEDES</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PRECEDING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PRECISION</code></td><td>non-reserved (cannot be function or type), requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">PREPARE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">PREPARED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PRESERVE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">PREV</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PRIMARY</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">PRIOR</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">PRIVATE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PRIVILEGES</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">PROCEDURAL</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PROCEDURE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">PROCEDURES</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PROGRAM</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">PRUNE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">PTF</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">PUBLIC</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">PUBLICATION</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">QUOTE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">QUOTES</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RANGE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">RANK</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">READ</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">READS</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REAL</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">REASSIGN</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">RECOVERY</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RECURSIVE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REF</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REFERENCES</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">REFERENCING</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REFRESH</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">REGR_AVGX</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_AVGY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_COUNT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_INTERCEPT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_R2</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_SLOPE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_SXX</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_SXY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REGR_SYY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REINDEX</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">RELATIVE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">RELEASE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">RENAME</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">REPEATABLE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">REPLACE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">REPLICA</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">REQUIRING</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RESET</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">RESPECT</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RESTART</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RESTORE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RESTRICT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">RESULT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">RETURN</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">RETURNED_CARDINALITY</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RETURNED_LENGTH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">RETURNED_OCTET_LENGTH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">RETURNED_SQLSTATE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">RETURNING</code></td><td>reserved, requires <code class="literal">AS</code></td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">RETURNS</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">REVOKE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">RIGHT</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ROLE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ROLLBACK</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ROLLUP</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ROUTINE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ROUTINES</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">ROUTINE_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ROUTINE_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ROUTINE_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ROW</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">ROWS</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">ROW_COUNT</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">ROW_NUMBER</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">RPAD</code></td><td> </td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">RTRIM</code></td><td> </td><td>reserved</td><td> </td><td> </td></tr><tr><td><code class="token">RULE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">RUNNING</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SAVEPOINT</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SCALAR</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SCALE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">SCHEMA</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">SCHEMAS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SCHEMA_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">SCOPE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SCOPE_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SCOPE_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SCOPE_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SCROLL</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SEARCH</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SECOND</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SECTION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">SECURITY</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SEEK</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SELECT</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SELECTIVE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SELF</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SEMANTICS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SENSITIVE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SEQUENCE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SEQUENCES</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SERIALIZABLE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">SERVER</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SERVER_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">SESSION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">SESSION_USER</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SET</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SETOF</code></td><td>non-reserved (cannot be function or type)</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SETS</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SHARE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SHOW</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SIMILAR</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SIMPLE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SIN</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SINH</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SIZE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">SKIP</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SMALLINT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SNAPSHOT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SOME</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SORT_DIRECTION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SOURCE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SPACE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">SPECIFIC</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SPECIFICTYPE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SPECIFIC_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SQL</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SQLCODE</code></td><td> </td><td> </td><td> </td><td>reserved</td></tr><tr><td><code class="token">SQLERROR</code></td><td> </td><td> </td><td> </td><td>reserved</td></tr><tr><td><code class="token">SQLEXCEPTION</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SQLSTATE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SQLWARNING</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SQRT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">STABLE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">STANDALONE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">START</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">STATE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">STATEMENT</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">STATIC</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">STATISTICS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">STDDEV_POP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">STDDEV_SAMP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">STDIN</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">STDOUT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">STORAGE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">STORED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">STRICT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">STRING</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">STRIP</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">STRUCTURE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">STYLE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">SUBCLASS_ORIGIN</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">SUBMULTISET</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SUBSCRIPTION</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SUBSET</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SUBSTRING</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SUBSTRING_REGEX</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SUCCEEDS</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SUM</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">SUPPORT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SYMMETRIC</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SYSID</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">SYSTEM</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SYSTEM_TIME</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">SYSTEM_USER</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">T</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TABLE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TABLES</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">TABLESAMPLE</code></td><td>reserved (can be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TABLESPACE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">TABLE_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">TAN</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TANH</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TARGET</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">TEMP</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">TEMPLATE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">TEMPORARY</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">TEXT</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">THEN</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">THROUGH</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TIES</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TIME</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TIMESTAMP</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TIMEZONE_HOUR</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TIMEZONE_MINUTE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TO</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TOKEN</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TOP_LEVEL_COUNT</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRAILING</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TRANSACTION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">TRANSACTIONS_COMMITTED</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRANSACTIONS_ROLLED_BACK</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRANSACTION_ACTIVE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRANSFORM</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRANSFORMS</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRANSLATE</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TRANSLATE_REGEX</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TRANSLATION</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TREAT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TRIGGER</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TRIGGER_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRIGGER_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRIGGER_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">TRIM</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TRIM_ARRAY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TRUE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">TRUNCATE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">TRUSTED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">TYPE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">TYPES</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">UESCAPE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">UNBOUNDED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UNCOMMITTED</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">UNCONDITIONAL</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UNDER</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UNENCRYPTED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">UNION</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">UNIQUE</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">UNKNOWN</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">UNLINK</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UNLISTEN</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">UNLOGGED</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">UNMATCHED</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UNNAMED</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr><tr><td><code class="token">UNNEST</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">UNTIL</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">UNTYPED</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UPDATE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">UPPER</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">URI</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">USAGE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">USER</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">USER_DEFINED_TYPE_CATALOG</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">USER_DEFINED_TYPE_CODE</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">USER_DEFINED_TYPE_NAME</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">USER_DEFINED_TYPE_SCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">USING</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">UTF16</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UTF32</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">UTF8</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">VACUUM</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">VALID</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">VALIDATE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">VALIDATOR</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">VALUE</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">VALUES</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">VALUE_OF</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">VARBINARY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">VARCHAR</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">VARIADIC</code></td><td>reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">VARYING</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">VAR_POP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">VAR_SAMP</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">VERBOSE</code></td><td>reserved (can be function or type)</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">VERSION</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">VERSIONING</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">VIEW</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">VIEWS</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">VIRTUAL</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">VOLATILE</code></td><td>non-reserved</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">WHEN</code></td><td>reserved</td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">WHENEVER</code></td><td> </td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">WHERE</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">WHITESPACE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">WIDTH_BUCKET</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">WINDOW</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">WITH</code></td><td>reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">WITHIN</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">WITHOUT</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">WORK</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">WRAPPER</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">WRITE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr><tr><td><code class="token">XML</code></td><td>non-reserved</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLAGG</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLATTRIBUTES</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLBINARY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLCAST</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLCOMMENT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLCONCAT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLDECLARATION</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">XMLDOCUMENT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLELEMENT</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLEXISTS</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLFOREST</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLITERATE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLNAMESPACES</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLPARSE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLPI</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLQUERY</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLROOT</code></td><td>non-reserved (cannot be function or type)</td><td> </td><td> </td><td> </td></tr><tr><td><code class="token">XMLSCHEMA</code></td><td> </td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">XMLSERIALIZE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLTABLE</code></td><td>non-reserved (cannot be function or type)</td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLTEXT</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">XMLVALIDATE</code></td><td> </td><td>reserved</td><td>reserved</td><td> </td></tr><tr><td><code class="token">YEAR</code></td><td>non-reserved, requires <code class="literal">AS</code></td><td>reserved</td><td>reserved</td><td>reserved</td></tr><tr><td><code class="token">YES</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td> </td></tr><tr><td><code class="token">ZONE</code></td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="datetime-julian-dates.html" title="B.7. Julian Dates">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="appendixes.html" title="Part VIII. Appendixes">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="features.html" title="Appendix D. SQL Conformance">Next</a></td></tr><tr><td width="40%" align="left" valign="top">B.7. Julian Dates </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 18.0 Documentation">Home</a></td><td width="40%" align="right" valign="top"> Appendix D. SQL Conformance</td></tr></table></div></body></html>
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