2 .\" Title: DROP COLLATION
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 "DROP COLLATION" "7" "2025" "PostgreSQL 18.0" "PostgreSQL 18.0 Documentation"
11 .\" -----------------------------------------------------------------
12 .\" * Define some portability stuff
13 .\" -----------------------------------------------------------------
14 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
15 .\" http://bugs.debian.org/507673
16 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
17 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 .\" -----------------------------------------------------------------
21 .\" * set default formatting
22 .\" -----------------------------------------------------------------
23 .\" disable hyphenation
25 .\" disable justification (adjust text to left margin only)
27 .\" -----------------------------------------------------------------
28 .\" * MAIN CONTENT STARTS HERE *
29 .\" -----------------------------------------------------------------
31 DROP_COLLATION \- remove a collation
35 DROP COLLATION [ IF EXISTS ] \fIname\fR [ CASCADE | RESTRICT ]
40 removes a previously defined collation\&. To be able to drop a collation, you must own the collation\&.
45 Do not throw an error if the collation does not exist\&. A notice is issued in this case\&.
50 The name of the collation\&. The collation name can be schema\-qualified\&.
55 Automatically drop objects that depend on the collation, and in turn all objects that depend on those objects (see
61 Refuse to drop the collation if any objects depend on it\&. This is the default\&.
65 To drop the collation named
72 DROP COLLATION german;
81 command conforms to the
83 standard, apart from the
89 ALTER COLLATION (\fBALTER_COLLATION\fR(7)), CREATE COLLATION (\fBCREATE_COLLATION\fR(7))