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><H1
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NAME="SQL-ALTERGROUP"
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>ALTER GROUP</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN36665"
></A
><H2
>Name</H2
>ALTER GROUP -- change a user group</DIV
><A
NAME="AEN36668"
></A
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN36670"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>ALTER GROUP <TT
CLASS="REPLACEABLE"
><I
>groupname</I
></TT
> ADD USER <TT
CLASS="REPLACEABLE"
><I
>username</I
></TT
> [, ... ]
ALTER GROUP <TT
CLASS="REPLACEABLE"
><I
>groupname</I
></TT
> DROP USER <TT
CLASS="REPLACEABLE"
><I
>username</I
></TT
> [, ... ]
ALTER GROUP <TT
CLASS="REPLACEABLE"
><I
>groupname</I
></TT
> RENAME TO <TT
CLASS="REPLACEABLE"
><I
>newname</I
></TT
></PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN36678"
></A
><H2
>Description</H2
><P
> <TT
CLASS="COMMAND"
>ALTER GROUP</TT
> changes the attributes of a user group.
</P
><P
> The first two variants add users to a group or remove them from a group.
Only database superusers can use this command.
</P
><P
> The third variant changes the name of the group. Only a database
superuser can rename groups.
</P
></DIV
><DIV
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><A
NAME="AEN36684"
></A
><H2
>Parameters</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>groupname</I
></TT
></DT
><DD
><P
> The name of the group to modify.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>username</I
></TT
></DT
><DD
><P
> Users that are to be added to or removed from the group. The users
must already exist; <TT
CLASS="COMMAND"
>ALTER GROUP</TT
> does not create or
drop users.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>newname</I
></TT
></DT
><DD
><P
> The new name of the group.
</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN36703"
></A
><H2
>Examples</H2
><P
> Add users to a group:
</P><PRE
CLASS="PROGRAMLISTING"
>ALTER GROUP staff ADD USER karl, john;</PRE
><P>
Remove a user from a group:
</P><PRE
CLASS="PROGRAMLISTING"
>ALTER GROUP workers DROP USER beth;</PRE
><P>
</P
></DIV
><DIV
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><A
NAME="AEN36708"
></A
><H2
>Compatibility</H2
><P
> There is no <TT
CLASS="COMMAND"
>ALTER GROUP</TT
> statement in the SQL
standard. The concept of roles is similar.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN36712"
></A
><H2
>See Also</H2
><A
HREF="sql-creategroup.html"
><I
>CREATE GROUP</I
></A
>, <A
HREF="sql-dropgroup.html"
><I
>DROP GROUP</I
></A
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