The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
level_code_id
,level_number_id
,level_code
,description
,gradual_value_number
,object_version_number
from pqh_de_level_codes
where level_code_id = p_level_code_id;
select
level_code_id
,level_number_id
,level_code
,description
,gradual_value_number
,object_version_number
from pqh_de_level_codes
where level_code_id = p_level_code_id
for update nowait;