DROP SEQUENCE
DROP SEQUENCE
DROP SEQUENCE - remove a sequence
Synopsis
DROP SEQUENCE [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]
Description
DROP SEQUENCE
removes sequence number
generators. A sequence can only be dropped by its owner or a superuser.
Parameters
-
IF EXISTS -
Do not throw an error if the sequence does not exist. A notice is issued in this case.
-
name -
The name (optionally schema-qualified) of a sequence.
-
CASCADE -
Automatically drop objects that depend on the sequence, and in turn all objects that depend on those objects (see Section 5.15 ).
-
RESTRICT -
Refuse to drop the sequence if any objects depend on it. This is the default.
Examples
To remove the sequence
serial
:
DROP SEQUENCE serial;
Compatibility
DROP SEQUENCE
conforms to the
SQL
standard, except that the standard only allows one
sequence to be dropped per command, and apart from the
IF EXISTS
option, which is a
PostgreSQL
extension.