postgresql/doc/src/sgml/ref/drop_sequence.sgml

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<refentry id="SQL-DROPSEQUENCE">
<refmeta>
<refentrytitle>
DROP SEQUENCE
</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>
DROP SEQUENCE
</refname>
<refpurpose>
Removes an existing sequence
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<refsynopsisdivinfo>
<date>1998-09-22</date>
</refsynopsisdivinfo>
<synopsis>
DROP SEQUENCE <replaceable class="PARAMETER">name</replaceable> [, ...]
</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 of a sequence.
</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
</computeroutput></term>
<listitem>
<para>
The message returned if the sequence is successfully dropped.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><computeroutput>
WARN: Relation "<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>
</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>
<refsect2 id="R2-SQL-DROPSEQUENCE-3">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
Notes
</title>
<para>
1998-09-22 17:48:03 +02:00
The <command>DROP SEQUENCE</command> statement is a
<productname>Postgres</productname>
language extension.
</para>
<para>
Refer to the <command>CREATE SEQUENCE</command> statement for
information on how to create a sequence.
</para>
</refsect2>
</refsect1>
<refsect1 id="R1-SQL-DROPSEQUENCE-2">
<title>
Usage
</title>
<para>
To remove sequence <literal>serial</literal> from database:
<programlisting>
DROP SEQUENCE serial;
</programlisting>
</para>
</refsect1>
<refsect1 id="R1-SQL-DROPSEQUENCE-3">
<title>
Compatibility
</title>
<para>
</para>
<refsect2 id="R2-SQL-DROPSEQUENCE-4">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
SQL92
</title>
<para>
1998-09-22 17:48:03 +02:00
There is no <command>DROP SEQUENCE</command> in <acronym>SQL92</acronym>.
</para>
</refsect2>
</refsect1>
</refentry>
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