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.\" Title: ALTER COLLATION
.\" Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\" Date: 2021
.\" Manual: PostgreSQL 9.6.24 Documentation
.\" Source: PostgreSQL 9.6.24
.\" Language: English
.\"
.TH "ALTER COLLATION" "7" "2021" "PostgreSQL 9.6.24" "PostgreSQL 9.6.24 Documentation"
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.SH "NAME"
ALTER_COLLATION \- change the definition of a collation
.SH "SYNOPSIS"
.sp
.nf
ALTER COLLATION \fIname\fR RENAME TO \fInew_name\fR
ALTER COLLATION \fIname\fR OWNER TO { \fInew_owner\fR | CURRENT_USER | SESSION_USER }
ALTER COLLATION \fIname\fR SET SCHEMA \fInew_schema\fR
.fi
.SH "DESCRIPTION"
.PP
\fBALTER COLLATION\fR
changes the definition of a collation\&.
.PP
You must own the collation to use
\fBALTER COLLATION\fR\&. To alter the owner, you must also be a direct or indirect member of the new owning role, and that role must have
CREATE
privilege on the collation\*(Aqs schema\&. (These restrictions enforce that altering the owner doesn\*(Aqt do anything you couldn\*(Aqt do by dropping and recreating the collation\&. However, a superuser can alter ownership of any collation anyway\&.)
.SH "PARAMETERS"
.PP
\fIname\fR
.RS 4
The name (optionally schema\-qualified) of an existing collation\&.
.RE
.PP
\fInew_name\fR
.RS 4
The new name of the collation\&.
.RE
.PP
\fInew_owner\fR
.RS 4
The new owner of the collation\&.
.RE
.PP
\fInew_schema\fR
.RS 4
The new schema for the collation\&.
.RE
.SH "EXAMPLES"
.PP
To rename the collation
de_DE
to
german:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER COLLATION "de_DE" RENAME TO german;
.fi
.if n \{\
.RE
.\}
.PP
To change the owner of the collation
en_US
to
joe:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER COLLATION "en_US" OWNER TO joe;
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP
There is no
\fBALTER COLLATION\fR
statement in the SQL standard\&.
.SH "SEE ALSO"
CREATE COLLATION (\fBCREATE_COLLATION\fR(7)), DROP COLLATION (\fBDROP_COLLATION\fR(7))
Mini Shell