<REFENTRY ID="SQL-DROPVIEW">
 <REFMETA>
  <REFENTRYTITLE>
   DROP VIEW
  </REFENTRYTITLE>
  <REFMISCINFO>SQL - Language Statements</REFMISCINFO>
 </REFMETA>
 <REFNAMEDIV>
  <REFNAME>
   DROP VIEW
  </REFNAME>
  <REFPURPOSE>
   Removes an existing view from a database
  </REFPURPOSE>
 </refnamediv>
 <REFSYNOPSISDIV>
  <REFSYNOPSISDIVINFO>
   <DATE>1998-09-22</DATE>
  </REFSYNOPSISDIVINFO>
  <SYNOPSIS>
DROP VIEW <REPLACEABLE CLASS="PARAMETER">view</REPLACEABLE>
  </SYNOPSIS>
  
  <REFSECT2 ID="R2-SQL-DROPVIEW-1">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Inputs
   </TITLE>
   <PARA>
   </PARA>
       <VARIABLELIST>
	<VARLISTENTRY>
	 <TERM>
	  <REPLACEABLE CLASS="PARAMETER">view</REPLACEABLE>
	 </TERM>
	 <LISTITEM>
	  <PARA>
	   The name of an existing view.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
  </REFSECT2>
  
  <REFSECT2 ID="R2-SQL-DROPVIEW-2">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Outputs
   </TITLE>
   <PARA>

<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<ReturnValue>DROP</ReturnValue>
</TERM>
<LISTITEM>
	  <PARA>
	   The message returned if the command is successful.
       </para>
      </listitem>
     </varlistentry>
     <VARLISTENTRY>
      <TERM>
       <ReturnValue>
	ERROR: RewriteGetRuleEventRel: rule "_RET<REPLACEABLE CLASS="PARAMETER">view</REPLACEABLE>" not found</ReturnValue>
      </TERM>
      <LISTITEM>
       <PARA>
	This message occurs if the specified view does not exist in
	the database.
       </para>
      </listitem>
     </varlistentry>
    </variablelist>
   </para>
  </REFSECT2>
 </REFSYNOPSISDIV>
 
 <REFSECT1 ID="R1-SQL-DROPVIEW-1">
  <REFSECT1INFO>
   <DATE>1998-09-22</DATE>
  </REFSECT1INFO>
  <TITLE>
   Description
  </TITLE>
  <PARA>
   <command>DROP VIEW</command> drops an existing view from the database.
   To execute this command you must be the owner of the
   view.
  </PARA>

  <REFSECT2 ID="R2-SQL-DROPVIEW-3">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Notes
   </TITLE>
   <PARA>
    The <productname>Postgres</productname>
 <command>DROP TABLE</command> statement also drops views.
   </PARA>
<PARA>
    Refer to <command>CREATE VIEW</command>
 for information on how to create views.
   </PARA>
  </REFSECT2>
 </refsect1>
  
 <REFSECT1 ID="R1-SQL-DROPVIEW-2">
  <TITLE>
   Usage
  </TITLE>
  <PARA>
   This command will remove the view called <literal>kinds</literal>:
  </PARA>
  <ProgramListing>
DROP VIEW kinds;
  </ProgramListing>
 </REFSECT1>
 
 <REFSECT1 ID="R1-SQL-DROPVIEW-3">
  <TITLE>
   Compatibility
  </TITLE>
  <PARA>
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPVIEW-4">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    SQL92
   </TITLE>
   <PARA>
    <acronym>SQL92</acronym> specifies some additional capabilities for
    <command>DROP VIEW</command>:
   </PARA>
   
   <synopsis>
DROP VIEW <replaceable class="parameter">view</replaceable> { RESTRICT | CASCADE }
   </synopsis>

  <REFSECT3 ID="R3-SQL-DROPVIEW-1">
   <REFSECT3INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT3INFO>
   <TITLE>
    Inputs
   </TITLE>
   <PARA>
   <variablelist>
    <varlistentry>
     <term>RESTRICT</term>
     <listitem>
      <para>
       Ensures that only a view with no dependent views or
       integrity constraints can be destroyed.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term>CASCADE</term>
     <listitem>
      <para>
       Any referencing views and integrity constraints
       will be dropped as well.
	</para>
       </listitem>
      </varlistentry>
     </variablelist>
    </para>
   </refsect3>

  <REFSECT3 ID="R3-SQL-DROPVIEW-2">
   <REFSECT3INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT3INFO>
   <TITLE>
    Notes
    </TITLE>
    <para>
     <tip>
      <para>
       At present, to remove a referenced view from a
       <productname>Postgres</productname> database, 
       you must drop it explicitly.
      </para>
     </tip>
    </para>
   </refsect3>
  </refsect2>
 </refsect1>
</REFENTRY>

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