DROP RESOURCE POOL (Transact-SQL)
Drops a user-defined Resource Governor resource pool.
You cannot drop a resource pool if it contains workload groups.
You cannot drop the Resource Governor default or internal pools.
When you are executing DDL statements, we recommend that you be familiar with Resource Governor states. For more information, see Resource Governor States.
The following example drops the resource pool named big_pool.
DROP RESOURCE POOL big_pool GO ALTER RESOURCE GOVERNOR RECONFIGURE GO