insert into testklup select 1,1,100,'aaa' insert into testklup select 2,2,200,'bbb' insert into testklup select 3,3,300,'ccc' 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 开启会话1 模拟高频update操作 ---模拟高频update操作 eclare @i int set @i=100 while 1=1 begin ...
SQLServer1403_insert,update,delete语句大壮老师666 立即播放 打开App,流畅又高清100+个相关视频 更多2061 -- 6:14 App SQLServer16_Date日期型数据操作 1.6万 1 6:11 App SQLServer07_通过SSMS创建数据库、创建表、添加表数据 343 -- 6:10 App SQLServer1401_select和distinct语句 4275 -- 3:57 App ...
1.插入操作(Insert) Inserted表有数据,Deleted表无数据... 在Sql Server触发器中判断操作是Insert还是Update还是Delete select @action = 'Update' ... select @action = 'Insert' &... 在Sql Server触发器中判断操作是Insert还是Update还是Delete 在一个插入或更新事务处理中,新建行被同时添加到 inserted 表和...
一个触发器内三种INSERT,UPDATE,DELETE状态 CREATE TRIGGER tr_T_A ON T_A for INSERT,UPDATE,DELETE 如IF exists (select * from inserted) and not exists (select * from deleted) 则为 INSERT 如IF exists(select * from inserted ) and exists (select * from deleted) 则为 UPDATE 如IF exists (se...
update Class1 set Name = ‘123’ where Id = 2 – 列出锁信息 EXEC sp_lock @@spid DECLARE @i INT = 0; WHILE @i < 100000000 SET@i=@i+1; – 提交或者回滚事务 COMMIT TRAN 上面脚本运行过程中,新开查询窗口运行如下脚本 INSERT TOP (1000) ...
INSERT INTO EmployeeBackup (EmployeeID, Name, Position, Salary) SELECT EmployeeID, Name, Position, Salary FROM Employees; UPDATE操作 UPDATE语句用于修改表中的现有记录。其基本语法如下: UPDATE table_name SET column1 = value1, column2 = value2, ... ...
SQLServerinsert,update语句 SQLServerinsert,update语句 SQLServer 深⼊DML ⼀、insert语句：1、4种基本格式 (1) insert [into] targettable [(targetcoloum1[,targetcolumn2])] values (value1[,value2])(2)insert [into] targettable default values ---所有列都需要有默认值 (3)insert [into] target...
FOR INSERT,DELETE,UPDATE AS BEGIN --新增 if(exists(select1from inserted) and not exists(select1from deleted))begin INSERT INTO LM_KQ_KaoQingAnPai ( KaoQingAnPaiID ,ShiYanShiID ,KaiShiRiQi ,JieShuRiQi ,XingQingBianHao ,KaiShiShiJian ,JieShuShiJian ,SystemType ,CreateOn ,CreateDate ,UpdateO...
一个触发器内三种INSERT,UPDATE,DELETE状态 CREATE TRIGGER tr_T_A ON T_A for INSERT,UPDATE,DELETE 如IF exists (select * from inserted) and not exists (select * from deleted) 则为 INSERT 如IF exists(select * from inserted ) and exists (select * from deleted) 则为 UPDATE ...
SQLSERVER触发器触发INSERT,UPDATE,DELETE三种状态 SQLSERVER触发器触发INSERT,UPDATE,DELETE三种状态SQLSERVER触发器触发INSERT,UPDATE,DELETE三种状态 来源：⼀个触发器内三种INSERT,UPDATE,DELETE状态 CREATE TRIGGER tr_T_A ON T_A for INSERT,UPDATE,DELETE 如IF exists (select * fro...