3 .\" Author: The PostgreSQL Global Development Group
4 .\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
6 .\" Manual: PostgreSQL 18.0 Documentation
7 .\" Source: PostgreSQL 18.0
10 .TH "SHOW" "7" "2025" "PostgreSQL 18.0" "PostgreSQL 18.0 Documentation"
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15 .\" http://bugs.debian.org/507673
16 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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31 SHOW \- show the value of a run\-time parameter
41 will display the current setting of run\-time parameters\&. These variables can be set using the
43 statement, by editing the
45 configuration file, through the
47 environmental variable (when using
50 libpq\-based application), or through command\-line flags when starting the
59 The name of a run\-time parameter\&. Available parameters are documented in
63 reference page\&. In addition, there are a few parameters that can be shown but not set:
67 Shows the server\*(Aqs version number\&.
72 Shows the server\-side character set encoding\&. At present, this parameter can be shown but not set, because the encoding is determined at database creation time\&.
77 True if the current role has superuser privileges\&.
83 Show the values of all configuration parameters, with descriptions\&.
89 produces equivalent output; see
90 Section\ \&9.28.1\&. Also, the
92 system view produces the same information\&.
95 Show the current setting of the parameter
104 \-\-\-\-\-\-\-\-\-\-\-
112 Show the current setting of the parameter
136 name | setting | description
137 \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-
138 allow_system_table_mods | off | Allows modifications of the structure of \&.\&.\&.
142 xmloption | content | Sets whether XML data in implicit parsing \&.\&.\&.
143 zero_damaged_pages | off | Continues processing past damaged page headers\&.
157 \fBSET\fR(7), \fBRESET\fR(7)