after 触发器(之后触发):其中 after 触发器要求只有执行 insert、update、delete 某一操作之后触发器才会被触发,且只能定义在表上。 instead of 触发器 (之前触发):instead of 触发器并不执行其定义的操作(insert、update、delete)而仅是执行触发器本身。可以在表或视图上定义 instead of 触发器。 3.触发器语法结...
大家都知道SQL Server触发器分为DDL、DML和登录触发器。其中DML触发器对于一个表来说,又可分为Insert、Update、Delete三种触发器。也许触发器的功能作用大家都清楚了,可是大家知道当批量Update或者批量Delete数据的时候,触发器如何工作吗?在这种情况下,触发器不是逐条触发的(也就是说不是删除一条记录的同时,触发器开...
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...
1) table row need to be update immidiatly after insert for some column ? 2) is it possible from sql server what i have applied bellow from trigger for insert,update for sametable, same row? 3)any solution other than this? SQLServer Trigger after insert need to update same table ...
在SQL Server 中,BEFORE INSERT 触发器用于在数据插入到表中之前执行一些操作。然而,SQL Server 并不直接支持 BEFORE INSERT 触发器,它只支持 AFTER INSERT 触发器。不过,你可以通过一些替代方案来实现类似 BEFORE INSERT 触发器的功能。 SQL Server 中的替代方案 使用INSTEAD OF INSERT 触发器: INSTEAD OF INSERT ...
SQL Server 触发器(Trigger)之 After 触发器。 内容简介 -- === -- ylb:测试触发器 -- Comments:创建基本的触发器,修改触发器,删除触发器 -- TriggerType:After触发器 -- KeyWord:Trigger, SQL Server -- -- ylb: ylb,tech -- 9:52 2012/2/17 -- === 技术与...
FunzioneTrigger AFTERTrigger INSTEAD OF Applicabilità Tabelle Tabelle e viste Quantità per tabella o vista Multiplo per azione di trigger (UPDATE, DELETE e INSERT) Singolo per azione di trigger (UPDATE, DELETE e INSERT) Riferimenti di propagazione Nessuna restrizione I trigger INSTEAD OF UPDAT...
Transact-SQL 語法慣例 語法 syntaxsql 複製 -- SQL Server Syntax -- Trigger on an INSERT, UPDATE, or DELETE statement to a table or view (DML Trigger) ALTER TRIGGER schema_name.trigger_name ON ( table | view ) [ WITH <dml_trigger_option> [ ,...n ] ] ( FOR | AFTER | INSTEAD ...
-- SQL Server Syntax -- Trigger on an INSERT, UPDATE, or DELETE statement to a table or view (DML Trigger) CREATE [ OR ALTER ] TRIGGER [ schema_name . ]trigger_name ON { table | view } [ WITH <dml_trigger_option> [ ,...n ] ] { FOR | AFTER | INSTEAD OF } { [ IN...
-- SQL Server Syntax-- Trigger on an INSERT, UPDATE, or DELETE statement to a table or view (DML Trigger)CREATE[ORALTER]TRIGGER[schema_name. ]trigger_nameON{ table | view } [WITH<dml_trigger_option>[ ,...n ] ] {FOR|AFTER|INSTEADOF} { [INSERT] [ , ] [UPDATE] [ , ] [DELETE...