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...
SQL> select trigger_body from user_triggers where trigger_name='TT';
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...
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 代码运行次数:0 运行 AI代码解释 drop trigger 触发器名; select 'DROP TRIGGER ' || t.owner || '.' || t.trigger_name...
User-named PL/SQL subprograms can be written to perform almost any task for which one might use a user-named trigger. As with all triggers, the scope of a user-named trigger is the definition level and below. When more than one user-named trigger has the same name, the trigger defined...
create table tab_user( id number(11) primary key, username varchar(50), password varchar(50) ); 创建一个序列: create sequence my_seq increment by 1 start with 1 nomaxvalue nocycle cache 20; 创建一个触发器: CREATE OR REPLACE TRIGGER MY_TGR ...
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 user event such as login or logout. The act of executing a trigger is also known as firing a trigger. We say that the trigger is fired. Oracle trigger usages# Oracle triggers are useful in many cases such as the following:
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...
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. ...