摘要:
日期: when-validate-itemIF :ORDERS.order_date > SYSDATE THENMESSAGE('Order Date is later than today!');RAISE form_trigger_failure;END IF;===============一个ITEM改变时如何触发另一个ITEM的TRIGGERgo_item('ORDER_LINES.QUANTITY');execute_trigger('WHEN-VALIDATE-ITEM');==============提交保存commit; 阅读全文