The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
locker_type_owner_id
,locker_type_requestor_id
,grant_lock
from hxc_locking_rules
where locker_type_owner_id = p_locker_type_owner_id
and locker_type_requestor_id = p_locker_type_requestor_id;
select
locker_type_owner_id
,locker_type_requestor_id
,grant_lock
from hxc_locking_rules
where locker_type_owner_id = p_locker_type_owner_id
and locker_type_requestor_id = p_locker_type_requestor_id
for update nowait;