ALTER TABLE [schema.]table_name {ENABLE|DISABLE} ALL TRIGGERS; --例:使表EMP 上的所有TRIGGER 失效: ALTER TABLE emp DISABLE ALL TRIGGERS; 8.4 触发器和数据字典 相关数据字典:USER_TRIGGERS、ALL_TRIGGERS、DBA_TRIGGERS SELECT TRIGGER_NAME, TRIGGER_TYPE, TRIGGERING_EVENT, TABLE_OWNER, BASE_OBJECT...
Select object_name From user_objects Where object_type='TABLE'; --所有表 方法二: 当然,还可以试试下面的语句 Select * From user_triggers; --所有触发器 Select * From user_procedures; --所有存储过程 Select * From user_views; --所有视图 Select * From user_tables; --所有表...
--行级触发器 for each rowcreateorreplacetriggertrig_deleteEmp afterdeleteonemp_back3foreach rowdeclarebegindbms_output.put_line('删除了数据');end;droptriggertrig_deleteEmp;--执行--删除deleteemp_back3wheredeptno=20; 触发器的一些操作 --查看当前用户创建哪些触发器select*fromuser_triggers;--查看某...
select * from dba_triggers; select * from all_triggers; select * from user_triggers; 2.3 删除触发器 drop trigger 触发器名; select 'DROP TRIGGER ' || t.owner || '.' || t.trigger_name || ';' 删除 from all_triggers t where t.owner = 'SCOTT' and t.table_name = 'STUDENT_INF...
权限范围,由大到小:dba_* > all_* > user_* select * from dba_triggers; select * from all_triggers; select * from user_triggers; 2.3 删除触发器 代码语言:javascript 复制 drop trigger 触发器名; select 'DROP TRIGGER ' || t.owner || '.' || t.trigger_name || ';' 删除from all_...
Oracle Triggers are nothing but chunk of code in a PL/SQL, which is saved in the Oracle database also can be reused and repurposed whenever the user needs it. This can be used in both DDL (Data Definition Language) and DML (Data Manipulation Language) codes. The Parameters allowed in ...
在Triggers 页面上,单击 Select_daily(它将为您选择每一天),输入或选择一个几钟后的时间。本示例使用 10 hours 作为Time。然后,单击 Add。 注:如果您在下一主题中看到没有执行扫描,返回至这一步编辑 schedule_location 调度,方法是,添加另一个“时间触发器”,使其值适合于您的环境。 6. 您应当收到一条成功...
A schema is a collection of database objects (used by a user.). Schema objects are the logical structures that directly refer to the database’s data. A user is a name defined in the database that can connect to and access objects. ...
Default User Mail Account When a user triggers an event alert, Oracle Alert uses the value of the EMAIL_ADDRESS profile option for that user as the default value for the :MAILID implicit input. Use this option to define the value you want Oracle Alert to use if the EMAIL_ADDRESS profile...
This trigger is often used for auditing purposes to record schema changes. A system event, such as startup or shutdown of the Oracle database. A user event, such as sign-in or signout. You can get a list of the triggers defined in an Oracle database by querying the ALL_TRI...