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'\" t
.\"     Title: CREATE TABLESPACE
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: 2017-11-06
.\"    Manual: PostgreSQL 9.2.24 Documentation
.\"    Source: PostgreSQL 9.2.24
.\"  Language: English
.\"
.TH "CREATE TABLESPACE" "7" "2017-11-06" "PostgreSQL 9.2.24" "PostgreSQL 9.2.24 Documentation"
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.SH "NAME"
CREATE_TABLESPACE \- define a new tablespace
.\" CREATE TABLESPACE
.SH "SYNOPSIS"
.sp
.nf
CREATE TABLESPACE \fItablespace_name\fR [ OWNER \fIuser_name\fR ] LOCATION \*(Aq\fIdirectory\fR\*(Aq
.fi
.SH "DESCRIPTION"
.PP
\fBCREATE TABLESPACE\fR
registers a new cluster\-wide tablespace\&. The tablespace name must be distinct from the name of any existing tablespace in the database cluster\&.
.PP
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\&.
.PP
A user with appropriate privileges can pass
\fItablespace_name\fR
to
\fBCREATE DATABASE\fR,
\fBCREATE TABLE\fR,
\fBCREATE INDEX\fR
or
\fBADD CONSTRAINT\fR
to have the data files for these objects stored within the specified tablespace\&.
.SH "PARAMETERS"
.PP
\fItablespace_name\fR
.RS 4
The name of a tablespace to be created\&. The name cannot begin with
pg_, as such names are reserved for system tablespaces\&.
.RE
.PP
\fIuser_name\fR
.RS 4
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\&.
.RE
.PP
\fIdirectory\fR
.RS 4
The directory that will be used for the tablespace\&. The directory should be empty and must be owned by the
PostgreSQL
system user\&. The directory must be specified by an absolute path name\&.
.RE
.SH "NOTES"
.PP
Tablespaces are only supported on systems that support symbolic links\&.
.PP
\fBCREATE TABLESPACE\fR
cannot be executed inside a transaction block\&.
.SH "EXAMPLES"
.PP
Create a tablespace
dbspace
at
/data/dbs:
.sp
.if n \{\
.RS 4
.\}
.nf
CREATE TABLESPACE dbspace LOCATION \*(Aq/data/dbs\*(Aq;
.fi
.if n \{\
.RE
.\}
.PP
Create a tablespace
indexspace
at
/data/indexes
owned by user
genevieve:
.sp
.if n \{\
.RS 4
.\}
.nf
CREATE TABLESPACE indexspace OWNER genevieve LOCATION \*(Aq/data/indexes\*(Aq;
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP
\fBCREATE TABLESPACE\fR
is a
PostgreSQL
extension\&.
.SH "SEE ALSO"
CREATE DATABASE (\fBCREATE_DATABASE\fR(7)), CREATE TABLE (\fBCREATE_TABLE\fR(7)), CREATE INDEX (\fBCREATE_INDEX\fR(7)), DROP TABLESPACE (\fBDROP_TABLESPACE\fR(7)), ALTER TABLESPACE (\fBALTER_TABLESPACE\fR(7))
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