The following lines contain the word 'select', 'insert', 'update' or 'delete':
select id into stmt from isc_plan_snapshot_v where id<>-1 and rownum<2;
select ent_period_id into stmt from fii_time_ent_period where sysdate between start_date and end_date;
select min(data_start_date) into l_return_date from isc_dbi_plan_snapshots;
select max(cutoff_date) into l_return_date from isc_dbi_plan_snapshots;
select ent_period_id into l_cur_period from fii_time_ent_period where trunc(sysdate) between start_date and end_date;