The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
recurring_period_id
,name
,start_date
,end_date
,period_type
,duration_in_days
,object_version_number
from hxc_recurring_periods
where recurring_period_id = p_recurring_period_id;
select
recurring_period_id
,name
,start_date
,end_date
,period_type
,duration_in_days
,object_version_number
from hxc_recurring_periods
where recurring_period_id = p_recurring_period_id
for update nowait;