oracle中的trigger
发布时间：2021-02-23 06:27:25 所属栏目：站长百科 来源：网络整理
导读：https://blog.csdn.net/indexman/article/details/8023740/ https://www.cnblogs.com/sharpest/p/7764660.html https://www.cnblogs.com/yaobolove/p/4781971.html ?触发器在数据库里以独立的对象存储，它与存储过程和函数不同的是，存储过程与函数需要用户
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7)、创建触发器，将操作CREATE、DROP存储在log_info表
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CREATE?
TABLE?
log_info(
??
manager_user VARCHAR2(15),
??
manager_date VARCHAR2(15),
??
manager_type VARCHAR2(15),
??
obj_name?? VARCHAR2(15),
??
obj_type?? VARCHAR2(15)
);
set?
serveroutput
on
;
CREATE?
OR?
REPLACE?
TRIGGER?
TRIG_LOG_INFO
?
AFTER?
CREATE?
OR?
DROP?
ON?
SCHEMA
BEGIN
?
INSERT?
INTO?
LOG_INFO
?
VALUES
??
(
USER
,
???
SYSDATE,
???
SYS.DICTIONARY_OBJ_NAME,
???
SYS.DICTIONARY_OBJ_OWNER,
???
SYS.DICTIONARY_OBJ_TYPE);
END
;
/
CREATE?
TABLE?
a(id NUMBER);
CREATE?
TYPE aa
AS?
OBJECT(id NUMBER);
DROP?
TABLE?
a;
DROP?
TYPE aa;
SELECT?
*
FROM?
log_info;
SELECT?
*
FROM?
USER_TRIGGERS;
SELECT?
*
FROM?
ALL_TRIGGERS;
SELECT?
*
FROM?
DBA_TRIGGERS;
ALTER?
TRIGGER?
trigger_name DISABLE;
ALTER?
TRIGGER?
trigger_name ENABLE;
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