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UPDATE STORE_INFO SET BUSCODE = replace(buscode,'-')
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delete from a a where a.rowid!=(select max(rowid) from a b where a.bm=b.bm and a.mc=b.mc);




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exp user/password@dbname file=c:\table.dmp tables=jbitaku,jbitakum grants=y
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date(Ö÷) outid(Ö÷) inid(Ö÷) num amt
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oracle 11g °²×° 01092 ´íÎó,
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[oracle@linux trace]$ vi alert_orcl.log 
MMON started with pid=14, OS id=9089
RESETLOGS after incomplete recovery UNTIL CHANGE 522752
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