The following lines contain the word 'select', 'insert', 'update' or 'delete':
select null
into l_null
from sys.dual
where not exists (
select null
from pay_backpay_sets s
where s.business_group_id + 0 = P_BUS_GRP_ID
and s.backpay_set_name = P_SET_NAME
and s.backpay_set_id <> P_SET_ID);
select null
into l_null
from sys.dual
where not exists (
select null
from pay_backpay_sets s
where s.business_group_id + 0 = P_BUS_GRP_ID
and s.backpay_set_name = P_SET_NAME);