The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
operation_id
,operation_number
,description
,object_version_number
from pqh_de_operations
where operation_id = p_operation_id;
select
operation_id
,operation_number
,description
,object_version_number
from pqh_de_operations
where operation_id = p_operation_id
for update nowait;