Yes , that was the case indeed. I disabled seq scan and it used the index. And the cost was higher than seq scan.
Thanks a lot for all your replies.
With warm regards.
Vivek J. Joshi.
vivek@staff.ownmail.com
Trikon Electronics Pvt. Ltd.
All science is either physics or stamp collecting.
-- Ernest Rutherford
A. Kretschmer wrote:
> >am Sat, dem 02.12.2006, um 16:35:47 +0530 mailte vivek@staff.ownmail.com
folgendes:
>>
>> The index was created before the table was populated. There are 3 rows
>> in the table for 3 different users. Now when I do a
>
>In this case, with only 3 rows, it is much cheaper to do a seq-scan
>instead a index-scan, because a index-scan must read the index first and
>then the table. And in your case, with only 3 rows, the engine needs
>only one page to read.
>
>
>
>Andreas
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>Andreas Kretschmer
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