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  • oracle 如何恢复误删的表记录数据

    --开启行移动功能
    ALTER TABLE tablename ENABLE row movement ;
    
    --恢复表数据,时间为删除或修改的时间点
    flashback table tablename to timestamp to_timestamp('2016-05-07/17:01:50','yyyy-mm-dd hh24:mi:ss');
    --备注:恢复后请关闭行移动功能
    ALTER TABLE tablename DISABLE row movement ;
     

    1、查询表数据如下:

    select T.*,SYSDATE from Z_TEST t

          DN                SYSDATE
    1 ABCDEFGHIG 2016-5-7 17:19:06

    2、删除数据

    DELETE FROM Z_TEST;

    3、恢复删除的数据

    ALTER TABLE z_Test ENABLE ROW Movement;
    Flashback TABLE z_Test TO TIMESTAMP To_Timestamp('2016-5-7/17:19:06', 'yyyy-mm-dd hh24:mi:ss');
    ALTER TABLE z_Test DISABLE ROW Movement;
    SELECT COUNT(0)
      FROM Sm_Affix AS OF TIMESTAMP To_Timestamp('2016-08-17/17:30:00', 'yyyy-mm-dd hh24:mi:ss') t
     WHERE EXISTS (SELECT * FROM Sm_Affix_0817002 a WHERE a.Row_Id = t.Row_Id)
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  • 原文地址:https://www.cnblogs.com/chenv/p/5468792.html
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