DROP PARTITION SCHEME (Transact-SQL)
The following permissions can be used to execute DROP PARTITION SCHEME:
ALTER ANY DATASPACE permission. This permission defaults to members of the sysadmin fixed server role and the db_owner and db_ddladmin fixed database roles.
CONTROL or ALTER permission on the database in which the partition scheme was created.
CONTROL SERVER or ALTER ANY DATABASE permission on the server of the database in which the partition scheme was created.
The following example drops the partition scheme myRangePS1 from the current database:
DROP PARTITION SCHEME myRangePS1;