The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
approval_period_set_id
,name
,object_version_number
from hxc_approval_period_sets
where approval_period_set_id = p_approval_period_set_id;
select
approval_period_set_id
,name
,object_version_number
from hxc_approval_period_sets
where approval_period_set_id = p_approval_period_set_id
for update nowait;