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'\" t
.\" Title: DROP USER MAPPING
.\" Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\" Date: 2024
.\" Manual: PostgreSQL 16.2 Documentation
.\" Source: PostgreSQL 16.2
.\" Language: English
.\"
.TH "DROP USER MAPPING" "7" "2024" "PostgreSQL 16.2" "PostgreSQL 16.2 Documentation"
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.nh
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.\" * MAIN CONTENT STARTS HERE *
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.SH "NAME"
DROP_USER_MAPPING \- remove a user mapping for a foreign server
.SH "SYNOPSIS"
.sp
.nf
DROP USER MAPPING [ IF EXISTS ] FOR { \fIuser_name\fR | USER | CURRENT_ROLE | CURRENT_USER | PUBLIC } SERVER \fIserver_name\fR
.fi
.SH "DESCRIPTION"
.PP
\fBDROP USER MAPPING\fR
removes an existing user mapping from foreign server\&.
.PP
The owner of a foreign server can drop user mappings for that server for any user\&. Also, a user can drop a user mapping for their own user name if
USAGE
privilege on the server has been granted to the user\&.
.SH "PARAMETERS"
.PP
IF EXISTS
.RS 4
Do not throw an error if the user mapping does not exist\&. A notice is issued in this case\&.
.RE
.PP
\fIuser_name\fR
.RS 4
User name of the mapping\&.
CURRENT_ROLE,
CURRENT_USER, and
USER
match the name of the current user\&.
PUBLIC
is used to match all present and future user names in the system\&.
.RE
.PP
\fIserver_name\fR
.RS 4
Server name of the user mapping\&.
.RE
.SH "EXAMPLES"
.PP
Drop a user mapping
bob, server
foo
if it exists:
.sp
.if n \{\
.RS 4
.\}
.nf
DROP USER MAPPING IF EXISTS FOR bob SERVER foo;
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP
\fBDROP USER MAPPING\fR
conforms to ISO/IEC 9075\-9 (SQL/MED)\&. The
IF EXISTS
clause is a
PostgreSQL
extension\&.
.SH "SEE ALSO"
CREATE USER MAPPING (\fBCREATE_USER_MAPPING\fR(7)), ALTER USER MAPPING (\fBALTER_USER_MAPPING\fR(7))
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