Oracle-L: RE: delete duplicate records

From: M B Shibu <basher.shibu_at_acusis.com>
Date: Fri, 23 Aug 2002 02:08:19 -0800
Message-ID: <F001.004BDFB3.20020823020819@fatcity.com>

Thanks a lot sathish ………….

-----Original Message-----
Sent: Friday, August 23, 2002 3:14 PM
To: Multiple recipients of list ORACLE-L

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-----
Sent: Friday, August 23, 2002 2:03 PM
To: Multiple recipients of list ORACLE-L

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

  1         0
  1         1
  2         1
  2         1
  3         0
  3         0
  4         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: M B Shibu
INET: basher.shibu_at_acusis.com

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