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HomeDatabaseMysql Tutorial在Oracle中误删除数据后并commit后的数据恢复办法

在Oracle中误删除数据后并commit后的数据恢复办法 背景:表A数据误操作,被delete了,恢复。 --1.先备份A表当前数据。 --2.查询某

在Oracle中误删除数据后并commit后的数据恢复办法

背景:表A数据误操作,被delete了,,恢复。

--1.先备份A表当前数据。

--2.查询某时间点前的SCN号码

SELECT MAX(Scn) FROM Sys.Smon_Scn_Time WHERE Time_Dp

--3.查看某时间点的A表数据

SELECT * FROM A AS OF SCN '步骤2的SCN号';

--4.如果查看数据是想要的数据,则恢复

SELECT row_movement FROM user_tables WHERE table_name = 'A';

--5.步骤4结果如果为DISABLE ,则执行下面这句话,否则跳过

ALTER TABLE A  ENABLE ROW MOVEMENT;

--6.执行

FLASHBACK TABLE A TO SCN '步骤2的SCN号';

--7.如果原来为enable则不用执行,否则执行

ALTER TABLE A DISABLE ROW MOVEMENT;

--8.如果权限不够,就换个DBA用户进行上述操作

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