CREATE TRIGGER my_trigger AFTER INSERT ON table FOR EACH ROW BEGIN -- 对现有记录的更新或插入 UPDATE table SET column = new_value WHERE column2 = new_value2; -- 为INSERT的失败处理编写代码 IF ROW_COUNT() <> 1 BEGIN RAISERROR (
create trigger tgr_name on table_name with encrypion –加密触发器 for update… as Transact-SQL 创建insert类型触发器 --创建insert插入类型触发器 if (object_id('tgr_classes_insert', 'tr') is not null) drop trigger tgr_classes_insert go create trigger tgr_classes_insert on classes for insert...
一、DML触发器 Insert、delete、update(不支持select) after触发器(for)、instead of触发器(不支持before触发器) 二、(*)DDL触发器 Create table、create database、alter、drop…. 语法: create trigger trig_触发器名 on 针对哪个表触发(表名) after (这里用for也一样,两者都表示after触发器) | intead of ...
CREATETRIGGERdbo.trGroups ONgroups AFTERINSERT,UPDATE,DELETE AS --This trigger submits a cached rates delete job for modified groups. --It also updates the groups' last modified columns for modified groups. --It also updates the groups' state (if currently unspecified) based on --the (first...
createtriggertgr_name ontable_name withencrypion –加密触发器 forupdate... as Transact-SQL # 创建insert类型触发器 --创建insert插入类型触发器 if(object_id('tgr_classes_insert','tr')isnotnull) droptriggertgr_classes_insert go createtriggertgr_classes_insert ...
问SQL Server中"AFTER INSERT，UPDATE“触发器的行为EN触发器是一种特殊类型的存储过程。触发器可包含...
在SQL Server中,您可以通过创建一个AFTER INSERT触发器来实现您的需求,即在该触发器内部首先执行UPDATE语句,然后基于UPDATE操作的成功与否来执行后续的逻辑。以下是一个详细的步骤和示例代码,用于说明如何实现这一过程。 步骤概述 创建触发器:在指定表上创建一个AFTER INSERT触发器。 执行UPDATE操作:在触发器内部,编写...
CREATETRIGGERtrg_TrackUpdatesONTransactionsAFTERUPDATEASBEGININSERTINTOAuditLog(CardID,OldBalance,NewBalance,UpdateTime)SELECTi.card_id,d.balance,i.balance,GETDATE()FROMinserted iJOINdeleted dONi.card_id=d.card_idEND 1. 2. 3. 4. 5. 6. ...
CREATE TRIGGER tri_Users_Insert ON Users AFTER INSERT AS BEGIN PRINT '添加成功!' END GO --Test,1 insert into Users(username,sex,score) values ( 'Trigger_Insert' , '男' ,75); 3,创建触发器 示例二 注意:现在这个功能没有精确实现,只要修改这一行,都无法修改,望有高手指教 us...
CREATE TRIGGER AfterUpdateA ON A FOR INSERT,UPDATE,DELETE AS BEGIN IF EXISTS(SELECT 1 FROM inserted) AND NOT EXISTS(SELECT 1 FROM deleted)BEGIN -- 插入触发.INSERT INTO B SELECT inserted.money FROM inserted;END;IF EXISTS(SELECT 1 FROM inserted) AND EXISTS(SELECT 1 FROM deleted)B...