1 CREATE [ OR ALTER ] TRIGGER trigger_name 2 ON { ALL SERVER | DATABASE } 3 [ WITH <ddl_trigger_option> [ ,...n ] ] 4 { FOR | AFTER } { event_type | event_group } [ ,...n ] 5 AS { sql_statement [ ; ] [ ,...n ] | EXTERNAL NAME < method specifier > [ ; ] ...
1 if(OBJECT_ID('trigger_Stu_Delete') is not null) -- 判断名为 trigger_Stu_Delete 的触发器是否存在 2 drop trigger trigger_Stu_Delete -- 删除触发器 3 go 4 create trigger trigger_Stu_Delete 5 on Student -- 指定创建触发器的表 6 for delete -- delete 触发器,也可以写为 after delete 7...
CREATE TRIGGER 运行完成后,event_group还将充当宏,将它涉及的事件类型添加到 sys.trigger_events 目录视图中。 NOT FOR REPLICATION 适用于:SQL Server 2008 (10.0.x) 及更高版本。 指明触发器不得在复制代理修改触发器涉及的表时运行。 sql_statement
sql server中如何创建触发器 sql server创建触发器语句,SQLServer1创建触发器GOBEGINIF(object_id('WMY','tr')isnotnull)DROPtriggerWMYEND;GOCREATETRIGGERWMYONStudentInsteadofINSERTASBEGININSERTINTOStudent(number,name)VALUES(1205,'角
CREATETRIGGERtrigger_nameONtable_nameFORINSERT[ORUPDATE][ORDELETE]ASBEGIN-- 触发器逻辑END; 1. 2. 3. 4. 5. 6. 7. 在触发器逻辑中,我们可以使用NEW和OLD关键字引用插入、更新或删除的数据。 视图触发器(View Triggers) 在SQL Server中,我们可以为视图创建触发器。视图触发器会在视图上执行特定的操作,...
SQL server软件 方法/步骤 1 新学期开始了,我们班从外校转来一名新同学,教务需要为该同学选课(即将该生应该选的所有课程直接导入选修表中),请你设计一个触发器,解决教务处的困难。2 参考代码:CREATE TRIGGER insert_student ON student AFTER INSERTASBEGIN -- SET NOCOUNT ON added to prevent extra result...
The MS SQL Server Create Trigger Tool allows users to create triggers for a database. The following example is output for MS SQL Server. CREATE TRIGGER dbo.test_trigger ON -- table_name -- WITH ENCRYPTION FOR -- DELETE, INSERT, UPDATE -- WITH APPEND -- NOT FOR REPLICATION AS -- ...
SQL Server 语法 syntaxsql -- 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] [...
Transact-SQL reference for the CREATE TRIGGER statement, which is used to create a DML, DDL, or logon trigger.
Transact-SQL reference for the CREATE TRIGGER statement, which is used to create a DML, DDL, or logon trigger.