'\" t .\" Title: DROP STATISTICS .\" Author: The PostgreSQL Global Development Group .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: 2021 .\" Manual: PostgreSQL 11.12 Documentation .\" Source: PostgreSQL 11.12 .\" Language: English .\" .TH "DROP STATISTICS" "7" "2021" "PostgreSQL 11.12" "PostgreSQL 11.12 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_STATISTICS \- remove extended statistics .SH "SYNOPSIS" .sp .nf DROP STATISTICS [ IF EXISTS ] \fIname\fR [, \&.\&.\&.] .fi .SH "DESCRIPTION" .PP \fBDROP STATISTICS\fR removes statistics object(s) from the database\&. Only the statistics object\*(Aqs owner, the schema owner, or a superuser can drop a statistics object\&. .SH "PARAMETERS" .PP IF EXISTS .RS 4 Do not throw an error if the statistics object does not exist\&. A notice is issued in this case\&. .RE .PP \fIname\fR .RS 4 The name (optionally schema\-qualified) of the statistics object to drop\&. .RE .SH "EXAMPLES" .PP To destroy two statistics objects in different schemas, without failing if they don\*(Aqt exist: .sp .if n \{\ .RS 4 .\} .nf DROP STATISTICS IF EXISTS accounting\&.users_uid_creation, public\&.grants_user_role; .fi .if n \{\ .RE .\} .SH "COMPATIBILITY" .PP There is no \fBDROP STATISTICS\fR command in the SQL standard\&. .SH "SEE ALSO" ALTER STATISTICS (\fBALTER_STATISTICS\fR(7)), CREATE STATISTICS (\fBCREATE_STATISTICS\fR(7))