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
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...
触发器 user_triggers 触发器 user_trigger_cols 触发器的列 3.9 源代码和编译错误 源代码 user_source 包,包体,函数,过程,对象类型,对象类型体的源代码 编译错误 user_errors 视图和包,包体,函数,过程的编译错误 3.10 相关和限制 相关user_dependencies 对象之间的相关(引用) 限制user_constraints 表的限制(约...
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...
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 ...
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...
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: Enforcing complex business rules that cannot be established using...
create trigger biud_foo before insert or update or delete on foo begin if user not in (‘donny’) then raise_application_error(-20001, ‘you don’t have access to modify this table.’); end if; end; / 即使sys,system用户也不能修改foo表 ...
SELECT PRIVILEGE FROM USER_SYS_PRIVS WHERE PRIVILEGE = 'CREATE TABLE'; 此时可以正常建表。 如果需要插表、函数等权限,再继续执行: grant create sequence to "C##ROXY10" CONTAINER=ALL; grant create TRIGGER to "C##ROXY10" CONTAINER=ALL;