postgresql/doc/src/sgml/ref/drop_sequence.sgml
2005-01-04 00:39:53 +00:00

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$PostgreSQL: pgsql/doc/src/sgml/ref/drop_sequence.sgml,v 1.22 2005/01/04 00:39:53 tgl Exp $
PostgreSQL documentation
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<refentry id="SQL-DROPSEQUENCE">
<refmeta>
<refentrytitle id="SQL-DROPSEQUENCE-TITLE">DROP SEQUENCE</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>DROP SEQUENCE</refname>
<refpurpose>remove a sequence</refpurpose>
</refnamediv>
<indexterm zone="sql-dropsequence">
<primary>DROP SEQUENCE</primary>
</indexterm>
<refsynopsisdiv>
<synopsis>
DROP SEQUENCE <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>DROP SEQUENCE</command> removes sequence number generators.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
<para>
The name (optionally schema-qualified) of a sequence.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>CASCADE</literal></term>
<listitem>
<para>
Automatically drop objects that depend on the sequence.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>RESTRICT</literal></term>
<listitem>
<para>
Refuse to drop the sequence if any objects depend on it. This
is the default.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
To remove the sequence <literal>serial</literal>:
<programlisting>
DROP SEQUENCE serial;
</programlisting>
</para>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
<command>DROP SEQUENCE</command> conforms with
<acronym>SQL:2003</acronym>, except that the standard only allows one
sequence to be dropped per command.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="sql-createsequence" endterm="sql-createsequence-title"></member>
</simplelist>
</refsect1>
</refentry>
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