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<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_group.sgml,v 1.8 2002/04/21 19:02:39 thomas Exp $
PostgreSQL documentation
-->
<refentry id="SQL-CREATEGROUP">
<refmeta>
<refentrytitle id="sql-creategroup-title">CREATE GROUP</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>
CREATE GROUP
</refname>
<refpurpose>
define a new user group
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<refsynopsisdivinfo>
<date>2000-01-14</date>
</refsynopsisdivinfo>
<synopsis>
CREATE GROUP <replaceable class="PARAMETER">name</replaceable> [ [ WITH ] <replaceable class="PARAMETER">option</replaceable> [ ... ] ]
where <replaceable class="PARAMETER">option</replaceable> can be:
SYSID <replaceable class="PARAMETER">gid</replaceable>
| USER <replaceable class="PARAMETER">username</replaceable> [, ...]
</synopsis>
<refsect2 id="R2-SQL-CREATEGROUP-1">
<refsect2info>
<date>2000-01-14</date>
</refsect2info>
<title>
Inputs
</title>
<para>
<variablelist>
<varlistentry>
<term><replaceable class="parameter">name</replaceable></term>
<listitem>
<para>
The name of the group.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">gid</replaceable></term>
<listitem>
<para>
The <literal>SYSID</literal> clause can be used to choose
the <productname>PostgreSQL</productname> group id of the new
group. It is not necessary to do so, however.
</para>
<para>
If this is not specified, the highest assigned group id plus one,
starting at 1, will be used as default.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">username</replaceable></term>
<listitem>
<para>
A list of users to include in the group. The users must already exist.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
<refsect2 id="R2-SQL-CREATEGROUP-2">
<refsect2info>
<date>2000-01-14</date>
</refsect2info>
<title>
Outputs
</title>
<para>
<variablelist>
<varlistentry>
<term><computeroutput>CREATE GROUP</computeroutput></term>
<listitem>
<para>
Message returned if the command completes successfully.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
</refsynopsisdiv>
<refsect1 id="R1-SQL-CREATEGROUP-1">
<refsect1info>
<date>2000-01-14</date>
</refsect1info>
<title>
Description
</title>
<para>
CREATE GROUP will create a new group in the database installation.
Refer to the <citetitle>Administrator's Guide</citetitle> for information about using groups
for authentication.
You must be a database superuser to use this command.
</para>
<para>
Use <xref linkend="SQL-ALTERGROUP" endterm="SQL-ALTERGROUP-title">
to change a group's membership, and <xref linkend="SQL-DROPGROUP"
endterm="SQL-DROPGROUP-title"> to remove a group.
</para>
</refsect1>
<refsect1 id="R1-SQL-CREATEGROUP-2">
<title>
Usage
</title>
<para>
Create an empty group:
<programlisting>
CREATE GROUP staff;
</programlisting>
</para>
<para>
Create a group with members:
<programlisting>
CREATE GROUP marketing WITH USER jonathan, david;
</programlisting>
</para>
</refsect1>
<refsect1 id="R1-SQL-CREATEGROUP-3">
<title>
Compatibility
</title>
<refsect2 id="R2-SQL-CREATEGROUP-4">
<refsect2info>
<date>2000-01-14</date>
</refsect2info>
<title>
SQL92
</title>
<para>
There is no <command>CREATE GROUP</command> statement in SQL92.
Roles are similar in concept to groups.
</para>
</refsect2>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
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sgml-indent-step:1
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End:
-->
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