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Query for eliminating duplicates rows on a specific column..

 
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srini_igsi
Beginner


Joined: 12 May 2006
Posts: 41
Topics: 16
Location: Mumbai
PostPosted: Thu Jan 22, 2009 11:36 am    Post subject: Query for eliminating duplicates rows on a specific column.. Reply with quote
Hi,
The query is...
Code:

SELECT A,B
FROM TABLE T;

Result:
Code:
 
A          B
A1        B1
A1        B2
A1        B3
A2        B4
A2        B5
A3        B6
A4        B7

Required Output:
Code:

A          B
A1        B1
A2        B4
A3        B6
A4        B7

I'm not sure whether I'm asking a silly question but this is how my output should be.

Could somebody please help me to get the desired output as mentioned above.
_________________
Thanks,
-Srini
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Thu Jan 22, 2009 11:54 am    Post subject: Reply with quote
srini_igsi,

try this untested sql

Code:

SELECT A,MIN(B)   
  FROM table
  GROUP BY A     
;           
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srini_igsi
Beginner


Joined: 12 May 2006
Posts: 41
Topics: 16
Location: Mumbai
PostPosted: Fri Jan 23, 2009 2:11 am    Post subject: Reply with quote
Thank you so much Kolusu, its perfectly working.
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Thanks,
-Srini
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