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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >DROP SCHEMA</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 9.2.24 Documentation" HREF="index.html"><LINK REL="UP" TITLE="SQL Commands" HREF="sql-commands.html"><LINK REL="PREVIOUS" TITLE="DROP RULE" HREF="sql-droprule.html"><LINK REL="NEXT" TITLE="DROP SEQUENCE" HREF="sql-dropsequence.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2017-11-06T22:43:11"></HEAD ><BODY CLASS="REFENTRY" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="5" ALIGN="center" VALIGN="bottom" ><A HREF="index.html" >PostgreSQL 9.2.24 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="DROP RULE" HREF="sql-droprule.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="DROP SEQUENCE" HREF="sql-dropsequence.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-DROPSCHEMA" ></A >DROP SCHEMA</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN74446" ></A ><H2 >Name</H2 >DROP SCHEMA -- remove a schema</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN74451" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >DROP SCHEMA [ IF EXISTS ] <TT CLASS="REPLACEABLE" ><I >name</I ></TT > [, ...] [ CASCADE | RESTRICT ]</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74454" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >DROP SCHEMA</TT > removes schemas from the database. </P ><P > A schema can only be dropped by its owner or a superuser. Note that the owner can drop the schema (and thereby all contained objects) even if he does not own some of the objects within the schema. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74459" ></A ><H2 >Parameters</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="LITERAL" >IF EXISTS</TT ></DT ><DD ><P > Do not throw an error if the schema does not exist. A notice is issued in this case. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >name</I ></TT ></DT ><DD ><P > The name of a schema. </P ></DD ><DT ><TT CLASS="LITERAL" >CASCADE</TT ></DT ><DD ><P > Automatically drop objects (tables, functions, etc.) that are contained in the schema. </P ></DD ><DT ><TT CLASS="LITERAL" >RESTRICT</TT ></DT ><DD ><P > Refuse to drop the schema if it contains any objects. This is the default. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74482" ></A ><H2 >Examples</H2 ><P > To remove schema <TT CLASS="LITERAL" >mystuff</TT > from the database, along with everything it contains: </P><PRE CLASS="PROGRAMLISTING" >DROP SCHEMA mystuff CASCADE;</PRE ><P></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74487" ></A ><H2 >Compatibility</H2 ><P > <TT CLASS="COMMAND" >DROP SCHEMA</TT > is fully conforming with the SQL standard, except that the standard only allows one schema to be dropped per command, and apart from the <TT CLASS="LITERAL" >IF EXISTS</TT > option, which is a <SPAN CLASS="PRODUCTNAME" >PostgreSQL</SPAN > extension. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74493" ></A ><H2 >See Also</H2 ><A HREF="sql-alterschema.html" >ALTER SCHEMA</A >, <A HREF="sql-createschema.html" >CREATE SCHEMA</A ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sql-droprule.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sql-dropsequence.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >DROP RULE</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >DROP SEQUENCE</TD ></TR ></TABLE ></DIV ></BODY ></HTML >