The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT customer_trx_line_id,
customer_trx_id,
line_number,
inventory_item_id,
uom_code,
quantity,
unit_selling_price,
extended_amount
FROM ra_customer_trx_lines_v
WHERE customer_trx_id = l_invoice_id;