The following lines contain the word 'select', 'insert', 'update' or 'delete':
select distinct 'Y' as if_current
from per_appraisal_periods
where plan_id = c_plan_id
and trunc(sysdate) between nvl(task_start_date,sysdate) and nvl(task_end_date,sysdate);
select distinct 'Y' as enabled
from per_objectives
where aligned_with_objective_id = c_obj_id;
select distinct 'Y' as enabled
from per_objectives
where objective_id = c_align_id;