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'\" t
.\" Title: DROP STATISTICS
.\" Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\" Date: 2023
.\" Manual: PostgreSQL 15.5 Documentation
.\" Source: PostgreSQL 15.5
.\" Language: English
.\"
.TH "DROP STATISTICS" "7" "2023" "PostgreSQL 15.5" "PostgreSQL 15.5 Documentation"
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.SH "NAME"
DROP_STATISTICS \- remove extended statistics
.SH "SYNOPSIS"
.sp
.nf
DROP STATISTICS [ IF EXISTS ] \fIname\fR [, \&.\&.\&.] [ CASCADE | RESTRICT ]
.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
.PP
CASCADE
.br
RESTRICT
.RS 4
These key words do not have any effect, since there are no dependencies on statistics\&.
.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))
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