I think this query eliminates the duplicated rows:
delete from table_name where rowid not in (select maxrowid from (select
column1,column2, max(rowid) maxrowid from den group by column1,column2));
----- Original Message -----
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
Sent: Friday, May 25, 2001 1:01 PM
> Hi
>
> Table A got some duplicated rows.. The requirement is to delete the
> duplicate records by maintaing one copy..
> Is it manageable thru single query? or have to go for PL/SQL procedure?
>
> Pl. send me ur valuable inputs.
>
> Saravanakumar
>
>
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