The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
retrieval_rule_id
,retrieval_process_id
,object_version_number
,name
from hxc_retrieval_rules
where retrieval_rule_id = p_retrieval_rule_id;
select
retrieval_rule_id
,retrieval_process_id
,object_version_number
,name
from hxc_retrieval_rules
where retrieval_rule_id = p_retrieval_rule_id
for update nowait;