Oracle-L: RE: delete duplicate records

From: satish p <satish.pullela_at_wipro.com>
Date: Fri, 23 Aug 2002 01:44:18 -0800
Message-ID: <F001.004BDF99.20020823014418@fatcity.com>

delete from temp a where a.rowid < (select max(rowid) from temp b where b.a1 = a.a1 and (b.a2 2 = 0 or b.a2 =1));

output of above delete is given below

A1 A2
---------- ----------

         1          1
         2          1
         3          0
         4          1

hth
satish
  -----Original Message-----
  From: root_at_fatcity.com [mailto:root_at_fatcity.com]On Behalf Of M B Shibu   Sent: Friday, August 23, 2002 2:03 PM
  To: Multiple recipients of list ORACLE-L   Subject: delete duplicate records

A1 A2

---------

1 0

1 1

2 1

3 0

4 0

4 1

How to delete duplicate records from the above set .In duplicating records the a2 should be 1 others should be deleted

And if in duplication both a2 are 0 then one of them should exist

TIA Shibu

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-- 
Author: satish p
  INET: satish.pullela_at_wipro.com

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Received on Fri Aug 23 2002 - 04:44:18 CDT