Oracle触发器实例代码

--备货检验选单后 回写备货状态CREATE OR REPLACE TRIGGER tri_TobaccoStockINSERTafter INSERTON "TobaccoStockQuality"FOR each ROWBEGINUPDATE "GoodsStock" SET "FirstCheckState"=-1 WHERE "ID"=:NEW."GoodsStock_ID";END;--备货检验修改选单后 回写备货状态CREATE OR REPLACE TRIGGER tri_TobaccoStockUPDATEbefore UPDATEON "TobaccoStockQuality"FOR each ROWBEGINUPDATE "GoodsStock" SET "FirstCheckState"=decode(to_number(:NEW."AuditStatus"),0,-1) WHERE "ID"=:NEW."GoodsStock_ID";IF :NEW."GoodsStock_ID"<>:OLD."GoodsStock_ID" THENUPDATE "GoodsStock" SET "FirstCheckState"=-1 WHERE "ID"=:OLD."GoodsStock_ID";END IF;END;--备货检验删除单据后 回写备货状态CREATE OR REPLACE TRIGGER tri_TobaccoStockDELETEbefore DELETEON "TobaccoStockQuality"FOR each ROWBEGINUPDATE "GoodsStock" SET "FirstCheckState"=-1 WHERE "ID"=:OLD."GoodsStock_ID";END;