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'\" t .\" Title: DROP ROLE .\" 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 "DROP ROLE" "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" DROP_ROLE \- remove a database role .\" DROP ROLE .SH "SYNOPSIS" .sp .nf DROP ROLE [ IF EXISTS ] \fIname\fR [, \&.\&.\&.] .fi .SH "DESCRIPTION" .PP \fBDROP ROLE\fR removes the specified role(s)\&. To drop a superuser role, you must be a superuser yourself; to drop non\-superuser roles, you must have CREATEROLE privilege\&. .PP A role cannot be removed if it is still referenced in any database of the cluster; an error will be raised if so\&. Before dropping the role, you must drop all the objects it owns (or reassign their ownership) and revoke any privileges the role has been granted on other objects\&. The REASSIGN OWNED (\fBREASSIGN_OWNED\fR(7)) and DROP OWNED (\fBDROP_OWNED\fR(7)) commands can be useful for this purpose; see Section 20.4, \(lqDropping Roles\(rq, in the documentation for more discussion\&. .PP However, it is not necessary to remove role memberships involving the role; \fBDROP ROLE\fR automatically revokes any memberships of the target role in other roles, and of other roles in the target role\&. The other roles are not dropped nor otherwise affected\&. .SH "PARAMETERS" .PP IF EXISTS .RS 4 Do not throw an error if the role does not exist\&. A notice is issued in this case\&. .RE .PP \fIname\fR .RS 4 The name of the role to remove\&. .RE .SH "NOTES" .PP PostgreSQL includes a program \fBdropuser\fR(1) that has the same functionality as this command (in fact, it calls this command) but can be run from the command shell\&. .SH "EXAMPLES" .PP To drop a role: .sp .if n \{\ .RS 4 .\} .nf DROP ROLE jonathan; .fi .if n \{\ .RE .\} .SH "COMPATIBILITY" .PP The SQL standard defines \fBDROP ROLE\fR, but it allows only one role to be dropped at a time, and it specifies different privilege requirements than PostgreSQL uses\&. .SH "SEE ALSO" CREATE ROLE (\fBCREATE_ROLE\fR(7)), ALTER ROLE (\fBALTER_ROLE\fR(7)), SET ROLE (\fBSET_ROLE\fR(7))