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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