Select count(*) gives different value

Question

Hi Experts,
I have a table with more tnan 50 thousand records with 8 indexes.
When i am trying below query
select * from customer_table
          WHERE line_id IS NULL
          AND balance >= 0
          AND dept_code = '233'
          AND overline IS NOT NULL
          AND rstat= 'O'
          AND astat ='A';
i am getting 61 rows however when i am trying
     select count(*) from customer_table
          WHERE line_id IS NULL
          AND balance >= 0
          AND dept_code = '233'
          AND overline IS NOT NULL
          AND rstat= 'O'
          AND astat ='A';
i am getting 43. it is strange to get different results..
I did index rebuild and even recreation of indexes also..still same result..
does any body have any clue abut this...
plz help..

Answer 1

Please post your (4 digit) Oracle version.
You can try the same select in SQL*PLus just to rule out any issues with SQL Navigator.
I guess you did run those two statements several times and the result of consistent? If not then some other user/automatic job could be changing data and commitiing between your two selects.
Furthermore you can use the NO_INDEX hint on both selects, just to rule out any index problems.
Since you have only 61 rows max. you can add a few more restrictions and by that find out which rows are not counted.
Edited by: Sven W. on Aug 26, 2009 2:43 PM