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><H1
><A
NAME="SQL-ALTERCOLLATION"
></A
>ALTER COLLATION</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN64358"
></A
><H2
>Name</H2
>ALTER COLLATION&nbsp;--&nbsp;change the definition of a collation</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN64363"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>ALTER COLLATION <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> RENAME TO <TT
CLASS="REPLACEABLE"
><I
>new_name</I
></TT
>
ALTER COLLATION <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> OWNER TO <TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
>
ALTER COLLATION <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> SET SCHEMA <TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
></PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN64371"
></A
><H2
>Description</H2
><P
>   <TT
CLASS="COMMAND"
>ALTER COLLATION</TT
> changes the definition of a
   collation.
  </P
><P
>   You must own the collation to use <TT
CLASS="COMMAND"
>ALTER COLLATION</TT
>.
   To alter the owner, you must also be a direct or indirect member of the new
   owning role, and that role must have <TT
CLASS="LITERAL"
>CREATE</TT
> privilege on
   the collation's schema.  (These restrictions enforce that altering the
   owner doesn't do anything you couldn't do by dropping and recreating the
   collation. However, a superuser can alter ownership of any collation
   anyway.)
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN64378"
></A
><H2
>Parameters</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
></DT
><DD
><P
>      The name (optionally schema-qualified) of an existing collation.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_name</I
></TT
></DT
><DD
><P
>      The new name of the collation.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
></DT
><DD
><P
>      The new owner of the collation.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
></DT
><DD
><P
>      The new schema for the collation.
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN64401"
></A
><H2
>Examples</H2
><P
>   To rename the collation <TT
CLASS="LITERAL"
>de_DE</TT
> to
   <TT
CLASS="LITERAL"
>german</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>ALTER COLLATION "de_DE" RENAME TO german;</PRE
><P>
  </P
><P
>   To change the owner of the collation <TT
CLASS="LITERAL"
>en_US</TT
> to
   <TT
CLASS="LITERAL"
>joe</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>ALTER COLLATION "en_US" OWNER TO joe;</PRE
><P></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN64411"
></A
><H2
>Compatibility</H2
><P
>   There is no <TT
CLASS="COMMAND"
>ALTER COLLATION</TT
> statement in the SQL
   standard.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN64415"
></A
><H2
>See Also</H2
><A
HREF="sql-createcollation.html"
>CREATE COLLATION</A
>, <A
HREF="sql-dropcollation.html"
>DROP COLLATION</A
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