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135 lines
3.2 KiB
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135 lines
3.2 KiB
Plaintext
<!--
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$PostgreSQL: pgsql/doc/src/sgml/ref/alter_group.sgml,v 1.14 2003/11/29 19:51:38 pgsql Exp $
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PostgreSQL documentation
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-->
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<refentry id="SQL-ALTERGROUP">
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<refmeta>
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<refentrytitle id="SQL-ALTERGROUP-title">ALTER GROUP</refentrytitle>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>ALTER GROUP</refname>
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<refpurpose>change a user group</refpurpose>
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</refnamediv>
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<indexterm zone="sql-altergroup">
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<primary>ALTER GROUP</primary>
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</indexterm>
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<refsynopsisdiv>
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<synopsis>
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ALTER GROUP <replaceable class="PARAMETER">groupname</replaceable> ADD USER <replaceable class="PARAMETER">username</replaceable> [, ... ]
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ALTER GROUP <replaceable class="PARAMETER">groupname</replaceable> DROP USER <replaceable class="PARAMETER">username</replaceable> [, ... ]
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ALTER GROUP <replaceable class="PARAMETER">groupname</replaceable> RENAME TO <replaceable>newname</replaceable>
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</synopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<command>ALTER GROUP</command> is used to change a user group. The
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first two variants add or remove users from a group. Only database
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superusers can use this command. Adding a user to a group does not
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create the user. Similarly, removing a user from a group does not
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drop the user itself.
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</para>
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<para>
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The third variant changes the name of the group. Only a database
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superuser can rename groups.
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</para>
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</refsect1>
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<refsect1>
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<title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><replaceable class="PARAMETER">groupname</replaceable></term>
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<listitem>
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<para>
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The name of the group to modify.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="PARAMETER">username</replaceable></term>
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<listitem>
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<para>
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Users which are to be added or removed from the group. The users
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must exist.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>newname</replaceable></term>
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<listitem>
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<para>
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The new name of the group.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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Add users to a group:
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<programlisting>
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ALTER GROUP staff ADD USER karl, john;
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</programlisting>
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Remove a user from a group:
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<programlisting>
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ALTER GROUP workers DROP USER beth;
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</programlisting>
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</para>
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</refsect1>
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<refsect1>
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<title>Compatibility</title>
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<para>
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There is no <command>ALTER GROUP</command> statement in the SQL
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standard. The concept of roles is similar.
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<simplelist type="inline">
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<member><xref linkend="sql-creategroup" endterm="sql-creategroup-title"></member>
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<member><xref linkend="sql-dropgroup" endterm="sql-dropgroup-title"></member>
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</simplelist>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:nil
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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sgml-parent-document:nil
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sgml-default-dtd-file:"../reference.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:"/usr/lib/sgml/catalog"
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sgml-local-ecat-files:nil
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End:
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-->
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