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Last round of reference page editing.

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Peter Eisentraut
2003-05-04 02:23:16 +00:00
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doc/src/sgml/ref/drop_sequence.sgml
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_sequence.sgml,v 1.16 2002/07/18 15:49:08 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_sequence.sgml,v 1.17 2003/05/04 02:23:16 petere Exp $
PostgreSQL documentation
-->
@@ -8,160 +8,112 @@ PostgreSQL documentation
<refentrytitle id="SQL-DROPSEQUENCE-TITLE">DROP SEQUENCE</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>
DROP SEQUENCE
</refname>
<refpurpose>
remove a sequence
</refpurpose>
<refname>DROP SEQUENCE</refname>
<refpurpose>remove a sequence</refpurpose>
</refnamediv>
<refsynopsisdiv>
<refsynopsisdivinfo>
<date>1999-07-20</date>
</refsynopsisdivinfo>
<synopsis>
<synopsis>
DROP SEQUENCE <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
<refsect2 id="R2-SQL-DROPSEQUENCE-1">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
Inputs
</title>
<para>
<variablelist>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
<para>
The name (optionally schema-qualified) of a sequence.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>CASCADE</term>
<listitem>
<para>
Automatically drop objects that depend on the sequence.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>RESTRICT</term>
<listitem>
<para>
Refuse to drop the sequence if there are any dependent objects.
This is the default.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
<refsect2 id="R2-SQL-DROPSEQUENCE-2">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
Outputs
</title>
<para>
<variablelist>
<varlistentry>
<term><computeroutput>
DROP SEQUENCE
</computeroutput></term>
<listitem>
<para>
The message returned if the sequence is successfully dropped.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><computeroutput>
ERROR: sequence "<replaceable class="parameter">name</replaceable>" does not exist
</computeroutput></term>
<listitem>
<para>
This message occurs if the specified sequence does not exist.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
</synopsis>
</refsynopsisdiv>
<refsect1 id="R1-SQL-DROPSEQUENCE-1">
<refsect1info>
<date>1998-09-22</date>
</refsect1info>
<title>
Description
</title>
<para>
<command>DROP SEQUENCE</command> removes sequence number generators from the
data base. With the current implementation of sequences as
special tables it works just like the <command>DROP TABLE</command>
statement.
</para>
<refsect1>
<title>Description</title>
<refsect2 id="R2-SQL-DROPSEQUENCE-3">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
Notes
</title>
<para>
The <command>DROP SEQUENCE</command> statement is a
<productname>PostgreSQL</productname>
language extension.
</para>
<para>
Refer to the <command>CREATE SEQUENCE</command> statement for
information on how to create a sequence.
</para>
</refsect2>
<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 id="R1-SQL-DROPSEQUENCE-2">
<title>
Usage
</title>
<para>
To remove sequence <literal>serial</literal> from database:
<refsect1>
<title>Diagnostics</title>
<programlisting>
<variablelist>
<varlistentry>
<term><computeroutput>DROP SEQUENCE</computeroutput></term>
<listitem>
<para>
Message returned if the sequence was successfully dropped.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><computeroutput>ERROR: sequence "<replaceable class="parameter">name</replaceable>" does not exist</computeroutput></term>
<listitem>
<para>
Message returned if the specified sequence does not exist.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
To remove the sequence <literal>serial</literal>:
<programlisting>
DROP SEQUENCE serial;
</programlisting>
</programlisting>
</para>
</refsect1>
<refsect1 id="R1-SQL-DROPSEQUENCE-3">
<title>
Compatibility
</title>
<refsect2 id="R2-SQL-DROPSEQUENCE-4">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
SQL92
</title>
<para>
There is no <command>DROP SEQUENCE</command> in <acronym>SQL92</acronym>.
</para>
</refsect2>
<refsect1>
<title>Compatibility</title>
<para>
There is no <command>DROP SEQUENCE</command> statement in the SQL standard.
</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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