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📁 ..
📄 ABORT.7(2.2 KB)
📄 ALTER_AGGREGATE.7(3.53 KB)
📄 ALTER_COLLATION.7(2.8 KB)
📄 ALTER_CONVERSION.7(2.9 KB)
📄 ALTER_DATABASE.7(5.28 KB)
📄 ALTER_DEFAULT_PRIVILEGES.7(6.39 KB)
📄 ALTER_DOMAIN.7(6.79 KB)
📄 ALTER_EXTENSION.7(6.54 KB)
📄 ALTER_FOREIGN_DATA_WRAPPER.7(4.37 KB)
📄 ALTER_FOREIGN_TABLE.7(7.6 KB)
📄 ALTER_FUNCTION.7(7.62 KB)
📄 ALTER_GROUP.7(3 KB)
📄 ALTER_INDEX.7(4.51 KB)
📄 ALTER_LANGUAGE.7(2.1 KB)
📄 ALTER_LARGE_OBJECT.7(1.97 KB)
📄 ALTER_OPERATOR.7(3.01 KB)
📄 ALTER_OPERATOR_CLASS.7(2.85 KB)
📄 ALTER_OPERATOR_FAMILY.7(9.09 KB)
📄 ALTER_ROLE.7(8.23 KB)
📄 ALTER_SCHEMA.7(2.31 KB)
📄 ALTER_SEQUENCE.7(7.52 KB)
📄 ALTER_SERVER.7(3.4 KB)
📄 ALTER_TABLE.7(30.51 KB)
📄 ALTER_TABLESPACE.7(3.27 KB)
📄 ALTER_TEXT_SEARCH_CONFIGURATION.7(4.8 KB)
📄 ALTER_TEXT_SEARCH_DICTIONARY.7(4.03 KB)
📄 ALTER_TEXT_SEARCH_PARSER.7(2.27 KB)
📄 ALTER_TEXT_SEARCH_TEMPLATE.7(2.31 KB)
📄 ALTER_TRIGGER.7(2.51 KB)
📄 ALTER_TYPE.7(6.87 KB)
📄 ALTER_USER.7(2.49 KB)
📄 ALTER_USER_MAPPING.7(3.28 KB)
📄 ALTER_VIEW.7(3.89 KB)
📄 ANALYZE.7(7.52 KB)
📄 BEGIN.7(4.08 KB)
📄 CHECKPOINT.7(2.32 KB)
📄 CLOSE.7(2.76 KB)
📄 CLUSTER.7(6.26 KB)
📄 COMMENT.7(9 KB)
📄 COMMIT.7(2.12 KB)
📄 COMMIT_PREPARED.7(2.61 KB)
📄 COPY.7(26.12 KB)
📄 CREATE_AGGREGATE.7(9.44 KB)
📄 CREATE_CAST.7(14.07 KB)
📄 CREATE_COLLATION.7(4.01 KB)
📄 CREATE_CONVERSION.7(3.82 KB)
📄 CREATE_DATABASE.7(7.86 KB)
📄 CREATE_DOMAIN.7(5.37 KB)
📄 CREATE_EXTENSION.7(5.67 KB)
📄 CREATE_FOREIGN_DATA_WRAPPER.7(5.08 KB)
📄 CREATE_FOREIGN_TABLE.7(4.7 KB)
📄 CREATE_FUNCTION.7(21.62 KB)
📄 CREATE_GROUP.7(2.17 KB)
📄 CREATE_INDEX.7(18.72 KB)
📄 CREATE_LANGUAGE.7(9.86 KB)
📄 CREATE_OPERATOR.7(6.92 KB)
📄 CREATE_OPERATOR_CLASS.7(8.54 KB)
📄 CREATE_OPERATOR_FAMILY.7(3.64 KB)
📄 CREATE_ROLE.7(12.18 KB)
📄 CREATE_RULE.7(7.91 KB)
📄 CREATE_SCHEMA.7(5.4 KB)
📄 CREATE_SEQUENCE.7(9.11 KB)
📄 CREATE_SERVER.7(3.68 KB)
📄 CREATE_TABLE.7(39.83 KB)
📄 CREATE_TABLESPACE.7(3.52 KB)
📄 CREATE_TABLE_AS.7(7.94 KB)
📄 CREATE_TEXT_SEARCH_CONFIGURATION.7(3.25 KB)
📄 CREATE_TEXT_SEARCH_DICTIONARY.7(3.39 KB)
📄 CREATE_TEXT_SEARCH_PARSER.7(3.61 KB)
📄 CREATE_TEXT_SEARCH_TEMPLATE.7(3.43 KB)
📄 CREATE_TRIGGER.7(15.11 KB)
📄 CREATE_TYPE.7(28.33 KB)
📄 CREATE_USER.7(2.48 KB)
📄 CREATE_USER_MAPPING.7(3.31 KB)
📄 CREATE_VIEW.7(7.13 KB)
📄 DEALLOCATE.7(2.05 KB)
📄 DECLARE.7(10.26 KB)
📄 DELETE.7(7.39 KB)
📄 DISCARD.7(2.53 KB)
📄 DO.7(3.13 KB)
📄 DROP_AGGREGATE.7(2.58 KB)
📄 DROP_CAST.7(2.29 KB)
📄 DROP_COLLATION.7(2.34 KB)
📄 DROP_CONVERSION.7(2.4 KB)
📄 DROP_DATABASE.7(2.41 KB)
📄 DROP_DOMAIN.7(2.25 KB)
📄 DROP_EXTENSION.7(2.64 KB)
📄 DROP_FOREIGN_DATA_WRAPPER.7(2.52 KB)
📄 DROP_FOREIGN_TABLE.7(2.5 KB)
📄 DROP_FUNCTION.7(3.27 KB)
📄 DROP_GROUP.7(1.6 KB)
📄 DROP_INDEX.7(2.99 KB)
📄 DROP_LANGUAGE.7(2.77 KB)
📄 DROP_OPERATOR.7(2.9 KB)
📄 DROP_OPERATOR_CLASS.7(3.38 KB)
📄 DROP_OPERATOR_FAMILY.7(3.16 KB)
📄 DROP_OWNED.7(3.02 KB)
📄 DROP_ROLE.7(3.08 KB)
📄 DROP_RULE.7(2.2 KB)
📄 DROP_SCHEMA.7(2.55 KB)
📄 DROP_SEQUENCE.7(2.38 KB)
📄 DROP_SERVER.7(2.3 KB)
📄 DROP_TABLE.7(2.88 KB)
📄 DROP_TABLESPACE.7(2.51 KB)
📄 DROP_TEXT_SEARCH_CONFIGURATION.7(2.76 KB)
📄 DROP_TEXT_SEARCH_DICTIONARY.7(2.67 KB)
📄 DROP_TEXT_SEARCH_PARSER.7(2.58 KB)
📄 DROP_TEXT_SEARCH_TEMPLATE.7(2.61 KB)
📄 DROP_TRIGGER.7(2.52 KB)
📄 DROP_TYPE.7(2.43 KB)
📄 DROP_USER.7(1.68 KB)
📄 DROP_USER_MAPPING.7(2.59 KB)
📄 DROP_VIEW.7(2.34 KB)
📄 END.7(2.21 KB)
📄 EXECUTE.7(2.96 KB)
📄 EXPLAIN.7(12.89 KB)
📄 FETCH.7(8.52 KB)
📄 GRANT.7(21.41 KB)
📄 INSERT.7(8.74 KB)
📄 LISTEN.7(3.53 KB)
📄 LOAD.7(2.58 KB)
📄 LOCK.7(7.92 KB)
📄 MOVE.7(2.96 KB)
📄 NOTIFY.7(7.96 KB)
📄 PREPARE.7(6.2 KB)
📄 PREPARE_TRANSACTION.7(5.77 KB)
📄 REASSIGN_OWNED.7(3.08 KB)
📄 REINDEX.7(7.85 KB)
📄 RELEASE_SAVEPOINT.7(3.06 KB)
📄 RESET.7(2.96 KB)
📄 REVOKE.7(10.46 KB)
📄 ROLLBACK.7(2.12 KB)
📄 ROLLBACK_PREPARED.7(2.64 KB)
📄 ROLLBACK_TO_SAVEPOINT.7(4.01 KB)
📄 SAVEPOINT.7(3.55 KB)
📄 SECURITY_LABEL.7(5.29 KB)
📄 SELECT.7(52.77 KB)
📄 SELECT_INTO.7(4.53 KB)
📄 SET.7(7.46 KB)
📄 SET_CONSTRAINTS.7(4.56 KB)
📄 SET_ROLE.7(4.38 KB)
📄 SET_SESSION_AUTHORIZATION.7(3.92 KB)
📄 SET_TRANSACTION.7(8.44 KB)
📄 SHOW.7(4.25 KB)
📄 START_TRANSACTION.7(2.93 KB)
📄 TABLE.7(18 B)
📄 TRUNCATE.7(6.24 KB)
📄 UNLISTEN.7(2.77 KB)
📄 UPDATE.7(10.63 KB)
📄 VACUUM.7(7.09 KB)
📄 VALUES.7(6.97 KB)
📄 WITH.7(18 B)

Editing: ALTER_DATABASE.7

'\" t
.\"     Title: ALTER DATABASE
.\"    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 "ALTER DATABASE" "7" "2017-11-06" "PostgreSQL 9.2.24" "PostgreSQL 9.2.24 Documentation"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
ALTER_DATABASE \- change a database
.\" ALTER DATABASE
.SH "SYNOPSIS"
.sp
.nf
ALTER DATABASE \fIname\fR [ [ WITH ] \fIoption\fR [ \&.\&.\&. ] ]

where \fIoption\fR can be:

CONNECTION LIMIT \fIconnlimit\fR

ALTER DATABASE \fIname\fR RENAME TO \fInew_name\fR

ALTER DATABASE \fIname\fR OWNER TO \fInew_owner\fR

ALTER DATABASE \fIname\fR SET TABLESPACE \fInew_tablespace\fR

ALTER DATABASE \fIname\fR SET \fIconfiguration_parameter\fR { TO | = } { \fIvalue\fR | DEFAULT }
ALTER DATABASE \fIname\fR SET \fIconfiguration_parameter\fR FROM CURRENT
ALTER DATABASE \fIname\fR RESET \fIconfiguration_parameter\fR
ALTER DATABASE \fIname\fR RESET ALL
.fi
.SH "DESCRIPTION"
.PP
\fBALTER DATABASE\fR
changes the attributes of a database\&.
.PP
The first form changes certain per\-database settings\&. (See below for details\&.) Only the database owner or a superuser can change these settings\&.
.PP
The second form changes the name of the database\&. Only the database owner or a superuser can rename a database; non\-superuser owners must also have the
CREATEDB
privilege\&. The current database cannot be renamed\&. (Connect to a different database if you need to do that\&.)
.PP
The third form changes the owner of the database\&. To alter the owner, you must own the database and also be a direct or indirect member of the new owning role, and you must have the
CREATEDB
privilege\&. (Note that superusers have all these privileges automatically\&.)
.PP
The fourth form changes the default tablespace of the database\&. Only the database owner or a superuser can do this; you must also have create privilege for the new tablespace\&. This command physically moves any tables or indexes in the database\*(Aqs old default tablespace to the new tablespace\&. Note that tables and indexes in non\-default tablespaces are not affected\&.
.PP
The remaining forms change the session default for a run\-time configuration variable for a
PostgreSQL
database\&. Whenever a new session is subsequently started in that database, the specified value becomes the session default value\&. The database\-specific default overrides whatever setting is present in
postgresql\&.conf
or has been received from the
\fBpostgres\fR
command line\&. Only the database owner or a superuser can change the session defaults for a database\&. Certain variables cannot be set this way, or can only be set by a superuser\&.
.SH "PARAMETERS"
.PP
\fIname\fR
.RS 4
The name of the database whose attributes are to be altered\&.
.RE
.PP
\fIconnlimit\fR
.RS 4
How many concurrent connections can be made to this database\&. \-1 means no limit\&.
.RE
.PP
\fInew_name\fR
.RS 4
The new name of the database\&.
.RE
.PP
\fInew_owner\fR
.RS 4
The new owner of the database\&.
.RE
.PP
\fInew_tablespace\fR
.RS 4
The new default tablespace of the database\&.
.RE
.PP
\fIconfiguration_parameter\fR, \fIvalue\fR
.RS 4
Set this database\*(Aqs session default for the specified configuration parameter to the given value\&. If
\fIvalue\fR
is
DEFAULT
or, equivalently,
RESET
is used, the database\-specific setting is removed, so the system\-wide default setting will be inherited in new sessions\&. Use
RESET ALL
to clear all database\-specific settings\&.
SET FROM CURRENT
saves the session\*(Aqs current value of the parameter as the database\-specific value\&.
.sp
See
\fBSET\fR(7)
and
Chapter 18, Server Configuration, in the documentation
for more information about allowed parameter names and values\&.
.RE
.SH "NOTES"
.PP
It is also possible to tie a session default to a specific role rather than to a database; see
ALTER ROLE (\fBALTER_ROLE\fR(7))\&. Role\-specific settings override database\-specific ones if there is a conflict\&.
.SH "EXAMPLES"
.PP
To disable index scans by default in the database
test:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER DATABASE test SET enable_indexscan TO off;
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP
The
\fBALTER DATABASE\fR
statement is a
PostgreSQL
extension\&.
.SH "SEE ALSO"
CREATE DATABASE (\fBCREATE_DATABASE\fR(7)), DROP DATABASE (\fBDROP_DATABASE\fR(7)), \fBSET\fR(7), CREATE TABLESPACE (\fBCREATE_TABLESPACE\fR(7))

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