DROP STATISTICS — remove extended statistics
DROP STATISTICS [ IF EXISTS ]
DROP STATISTICS removes statistics object(s) from the
database. Only the statistics object's owner, the schema owner, or a
superuser can drop a statistics object.
Do not throw an error if the statistics object does not exist. A notice is issued in this case.
The name (optionally schema-qualified) of the statistics object to drop.
To destroy two statistics objects in different schemas, without failing if they don't exist:
DROP STATISTICS IF EXISTS accounting.users_uid_creation, public.grants_user_role;
There is no
DROP STATISTICS command in the SQL standard.