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...
If it is, then the trigger performs the insert action in the table (TRADE_APPR) filling the ID value from a SQL Server sequence. When the Instead Of trigger performs the actions, the After Insert triggers also perform their actions. The code of my Instead Of Insert trigger is this: ...
在使用触发器的时候需要注意的是,对相同的数据表、相同的事件只能创建一个触发器,比如对表 account创建了一个AFTER INSERT触发器,那么如果对表 account 再次创建一个 AFTER INSERT触发器,SQL Server将会报错,此时,只可以在表 account上创建 AFTER INSERT 或者INSTEAD OF UPDATE类型的触发器。灵活地运用触发器将为操作...
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...
[SQL Server] TRIGGER 触发器获得insert, delete, update行的信息,大家都知道SQLServer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Del
-- TriggerType:After触发器 -- KeyWord:Trigger, SQL Server -- -- ylb: ylb,tech -- 9:52 2012/2/17 -- === 技术与环境 1,第一步,创建基本的数据库和插入测试数据 -- === -- ylb:测试触发器 -- Remark:创建基本的触发器,修改触发器,删除触发器 -- TriggerType:After触发器 -- === USE ...
Transact-SQL 语法约定语法syntaxsql 复制 -- 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 OF ...
-- 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...
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[ORALTER]TRIGGER[schema_name. ]trigger_nameON{ table | view } [WITH<dml_trigger_option>[ ,...n ] ] {FOR|AFTER|INSTEADOF} { [INSERT] [ , ] [UPDATE] [ , ] [DELETE...