如下： 在 mapper.xml 类型映射配置文件中 <insert id="insert" parameterType="com.hqdl.xiaoyi.bean...
--insert into T select * from inserted 1. 对于表中有identity 字段的,会发现变量你没有从inserted中取到数据, 所以在insert之后需要再次取得这个表当前的ID: 示例: create trigger tra on a instead of insert as begin select SCOPE_IDENTITY() --返回NULL insert into a select code from inserted select...
Deleted表在删除数据是临时缓存数据值,功能同上。 Sql server中创建和使用触发器语法 Create trigger trigger_name---创建名称 On {table|view}---定义在表或者视图上 [with encryption]---加密元数据 { { {for|after|instead of}{[insert][,][update][,][delete]}触发器执行的条件 [with append] [ont f...
If the INSTEAD OF INSERT view trigger generates an INSERT against the base table using the data in theinsertedtable, it must ignore the values for these types of columns by not including the columns in the select list of the INSERT statement. The INSERT statement can generate dummy values for...
设在SQL Server 2008中有如下定义触发器[1]的语句: CREATE TRIGGER tri ON T1 INSTEAD OF INSERT AS…… 下列关于该触发器执行机制的说法,正确的是( )。 A. 当在T1表上执行INSERT操作时,先执行INSERT操作,然后再执行tri触发器 B. 当在T1表上执行INSERT操作时,只执行tri触发器,而不实际执行INSERT操作 C. ...
They're pieces of code that look at lot like stored procedures. However, triggers are attached to tables (and, beginning with SQL Server 2000, to views as well) and act only when the appropriate action (such as INSERT, UPDATE, or DELETE) for which the trigger has been set up has ...
They're pieces of code that look at lot like stored procedures. However, triggers are attached to tables (and, beginning with SQL Server 2000, to views as well) and act only when the appropriate action (such as INSERT, UPDATE, or DELETE) for which the trigger has been set up has ...
IDENTITY和Instead of Insert触发器解决方法ENcreate or replace trigger 触发器名称 before insert ...
50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , CONSTRAINT [PK_] PRIMARY KEY CLUSTERED ( [a] ) ON [PRIMARY) ON [PRIMARY]GO --创建触发器 CREATETRIGGER ON [dbo].[tt] INSTEAD OF INSERT AS SET NOCOUNTONif (SELECT a frominserted)>3 print N'不能插入3的' else ...
(through the Deleted table) to the rows of the view that would have been deleted had the view been a real table. Similarly, in an INSTEAD OF UPDATE or INSTEAD OF INSERT trigger, you can access the new rows through the Inserted table. In the next issue, I will describe the restrictions...