The following lines contain the word 'select', 'insert', 'update' or 'delete':
select 1
from sys.dual
where exists (select prc_assignment_id
from pa_mc_exp_items_all
where prc_assignment_id = x_assignment_id);
select 1
from sys.dual
where exists (select prc_assignment_id
from pa_mc_cost_dist_lines_all
where prc_assignment_id = x_assignment_id);
select 1
from sys.dual
where exists (select prc_assignment_id
from pa_mc_cust_rdl_all
where prc_assignment_id = x_assignment_id);
select 1
from sys.dual
where exists (select prc_assignment_id
from pa_mc_cust_event_rdl_all
where prc_assignment_id = x_assignment_id);
select 1
from sys.dual
where exists (select prc_assignment_id
from pa_mc_events
where prc_assignment_id = x_assignment_id);
select 1
from sys.dual
where exists (select prc_assignment_id
from pa_mc_budget_lines
where prc_assignment_id = x_assignment_id);
select 1
from sys.dual
where exists (select prc_assignment_id
from pa_mc_commitment_txns
where prc_assignment_id = x_assignment_id);