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delete from tname t where t.type='5';
commit;
select * from tname; --4 rows selected
select sysdate from dual; -- È·¶¨Ò»¸öɾ³ý֮ǰµÄʱ¼äµã
flashback table tname to timestamp to_timestamp('2009-12-20 15:00:00','yyyy-mm-dd hh24:mi:ss');
--row movement is not enabled
alter table tname enable row movement;--ʹÓÃFlashback table µÄʱºò±ØÐëÏÈenable row movement
flashback table tname to timestamp to_timestamp('2009-12-20 15:00:00','yyyy-mm-dd hh24:mi:ss');
--Done
;
select * from tname; --5 rows selected
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