2 doc/src/sgml/ref/drop_sequence.sgml
3 PostgreSQL documentation
6 <refentry id="SQL-DROPSEQUENCE">
8 <refentrytitle>DROP SEQUENCE</refentrytitle>
9 <manvolnum>7</manvolnum>
10 <refmiscinfo>SQL - Language Statements</refmiscinfo>
14 <refname>DROP SEQUENCE</refname>
15 <refpurpose>remove a sequence</refpurpose>
18 <indexterm zone="sql-dropsequence">
19 <primary>DROP SEQUENCE</primary>
24 DROP SEQUENCE [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
29 <title>Description</title>
32 <command>DROP SEQUENCE</command> removes sequence number
33 generators. A sequence can only be dropped by its owner or a superuser.
38 <title>Parameters</title>
42 <term><literal>IF EXISTS</literal></term>
45 Do not throw an error if the sequence does not exist. A notice is issued
52 <term><replaceable class="PARAMETER">name</replaceable></term>
55 The name (optionally schema-qualified) of a sequence.
61 <term><literal>CASCADE</literal></term>
64 Automatically drop objects that depend on the sequence.
70 <term><literal>RESTRICT</literal></term>
73 Refuse to drop the sequence if any objects depend on it. This
82 <title>Examples</title>
85 To remove the sequence <literal>serial</literal>:
89 </programlisting></para>
93 <title>Compatibility</title>
96 <command>DROP SEQUENCE</command> conforms to the <acronym>SQL</acronym>
97 standard, except that the standard only allows one
98 sequence to be dropped per command, and apart from the
99 <literal>IF EXISTS</> option, which is a <productname>PostgreSQL</>
105 <title>See Also</title>
107 <simplelist type="inline">
108 <member><xref linkend="sql-createsequence"></member>
109 <member><xref linkend="sql-altersequence"></member>