The following lines contain the word 'select', 'insert', 'update' or 'delete':
X_delete_quantity NUMBER := 0;
SELECT pll.line_location_id,
pll.po_line_id,
pll.quantity
FROM po_line_locations pll
WHERE pll.po_release_id = X_po_release_id;
X_delete_quantity;
UPDATE po_lines
SET quantity = quantity - X_Delete_quantity
WHERE po_line_id = X_po_line_id;
END delete_release_update;