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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 >CREATE TABLESPACE</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="CREATE TABLE AS" HREF="sql-createtableas.html"><LINK REL="NEXT" TITLE="CREATE TEXT SEARCH CONFIGURATION" HREF="sql-createtsconfig.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="CREATE TABLE AS" HREF="sql-createtableas.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="CREATE TEXT SEARCH CONFIGURATION" HREF="sql-createtsconfig.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-CREATETABLESPACE" ></A >CREATE TABLESPACE</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN71451" ></A ><H2 >Name</H2 >CREATE TABLESPACE -- define a new tablespace</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN71456" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >CREATE TABLESPACE <TT CLASS="REPLACEABLE" ><I >tablespace_name</I ></TT > [ OWNER <TT CLASS="REPLACEABLE" ><I >user_name</I ></TT > ] LOCATION '<TT CLASS="REPLACEABLE" ><I >directory</I ></TT >'</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN71461" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >CREATE TABLESPACE</TT > registers a new cluster-wide tablespace. The tablespace name must be distinct from the name of any existing tablespace in the database cluster. </P ><P > A tablespace allows superusers to define an alternative location on the file system where the data files containing database objects (such as tables and indexes) can reside. </P ><P > A user with appropriate privileges can pass <TT CLASS="REPLACEABLE" ><I >tablespace_name</I ></TT > to <TT CLASS="COMMAND" >CREATE DATABASE</TT >, <TT CLASS="COMMAND" >CREATE TABLE</TT >, <TT CLASS="COMMAND" >CREATE INDEX</TT > or <TT CLASS="COMMAND" >ADD CONSTRAINT</TT > to have the data files for these objects stored within the specified tablespace. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN71472" ></A ><H2 >Parameters</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="REPLACEABLE" ><I >tablespace_name</I ></TT ></DT ><DD ><P > The name of a tablespace to be created. The name cannot begin with <TT CLASS="LITERAL" >pg_</TT >, as such names are reserved for system tablespaces. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >user_name</I ></TT ></DT ><DD ><P > The name of the user who will own the tablespace. If omitted, defaults to the user executing the command. Only superusers can create tablespaces, but they can assign ownership of tablespaces to non-superusers. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >directory</I ></TT ></DT ><DD ><P > The directory that will be used for the tablespace. The directory should be empty and must be owned by the <SPAN CLASS="PRODUCTNAME" >PostgreSQL</SPAN > system user. The directory must be specified by an absolute path name. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN71492" ></A ><H2 >Notes</H2 ><P > Tablespaces are only supported on systems that support symbolic links. </P ><P > <TT CLASS="COMMAND" >CREATE TABLESPACE</TT > cannot be executed inside a transaction block. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN71497" ></A ><H2 >Examples</H2 ><P > Create a tablespace <TT CLASS="LITERAL" >dbspace</TT > at <TT CLASS="LITERAL" >/data/dbs</TT >: </P><PRE CLASS="PROGRAMLISTING" >CREATE TABLESPACE dbspace LOCATION '/data/dbs';</PRE ><P> </P ><P > Create a tablespace <TT CLASS="LITERAL" >indexspace</TT > at <TT CLASS="LITERAL" >/data/indexes</TT > owned by user <TT CLASS="LITERAL" >genevieve</TT >: </P><PRE CLASS="PROGRAMLISTING" >CREATE TABLESPACE indexspace OWNER genevieve LOCATION '/data/indexes';</PRE ><P></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN71508" ></A ><H2 >Compatibility</H2 ><P > <TT CLASS="COMMAND" >CREATE TABLESPACE</TT > is a <SPAN CLASS="PRODUCTNAME" >PostgreSQL</SPAN > extension. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN71513" ></A ><H2 >See Also</H2 ><A HREF="sql-createdatabase.html" >CREATE DATABASE</A >, <A HREF="sql-createtable.html" >CREATE TABLE</A >, <A HREF="sql-createindex.html" >CREATE INDEX</A >, <A HREF="sql-droptablespace.html" >DROP TABLESPACE</A >, <A HREF="sql-altertablespace.html" >ALTER TABLESPACE</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-createtableas.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-createtsconfig.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >CREATE TABLE AS</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" >CREATE TEXT SEARCH CONFIGURATION</TD ></TR ></TABLE ></DIV ></BODY ></HTML >