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114 lines
2.6 KiB
Plaintext
114 lines
2.6 KiB
Plaintext
<!--
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$PostgreSQL: pgsql/doc/src/sgml/ref/drop_view.sgml,v 1.25 2008/11/14 10:22:47 petere Exp $
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PostgreSQL documentation
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-->
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<refentry id="SQL-DROPVIEW">
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<refmeta>
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<refentrytitle id="SQL-DROPVIEW-TITLE">DROP VIEW</refentrytitle>
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<manvolnum>7</manvolnum>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>DROP VIEW</refname>
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<refpurpose>remove a view</refpurpose>
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</refnamediv>
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<indexterm zone="sql-dropview">
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<primary>DROP VIEW</primary>
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</indexterm>
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<refsynopsisdiv>
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<synopsis>
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DROP VIEW [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
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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>DROP VIEW</command> drops an existing view. To execute
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this command you must be the owner of the view.
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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><literal>IF EXISTS</literal></term>
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<listitem>
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<para>
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Do not throw an error if the view does not exist. A notice is issued
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in this case.
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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">name</replaceable></term>
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<listitem>
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<para>
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The name (optionally schema-qualified) of the view to remove.
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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><literal>CASCADE</literal></term>
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<listitem>
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<para>
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Automatically drop objects that depend on the view (such as
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other views).
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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><literal>RESTRICT</literal></term>
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<listitem>
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<para>
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Refuse to drop the view if any objects depend on it. This is
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the default.
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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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This command will remove the view called <literal>kinds</literal>:
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<programlisting>
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DROP VIEW kinds;
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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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This command conforms to the SQL standard, except that the standard only
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allows one view to be dropped per command, and apart from the
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<literal>IF EXISTS</> option, which is a <productname>PostgreSQL</>
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extension.
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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-alterview" endterm="sql-alterview-title"></member>
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<member><xref linkend="sql-createview" endterm="sql-createview-title"></member>
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</simplelist>
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</refsect1>
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</refentry>
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