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sql question

From: David Boyd <davidb158_at_hotmail.com>
Date: Mon, 12 Jan 2004 11:14:27 -0800
Message-ID: <F001.005DC715.20040112111427@fatcity.com>


Hi List,

I have following sql that runs in 1 sec:

SELECT b.* FROM RF_BALANCE_T b, rf_security_by_dceid s WHERE
(s.award_number = 'ALL')

OR (b.award_number = s.award_number AND s.project_number = 'ALL')
OR (b.award_number = s.award_number AND b.project_number=
s.project_number AND s.task_number = 'ALL')
OR (b.award_number = s.award_number AND b.project_number=
s.project_number AND b.task_number = s.task_number)

However, when I try to count above query as following, it hangs. Does someone have any ideas?

SELECT count(b.award_number) FROM RF_BALANCE_T b, rf_security_by_dceid s WHERE
(s.award_number = 'ALL')

OR (b.award_number = s.award_number AND s.project_number = 'ALL')
OR (b.award_number = s.award_number AND b.project_number=
s.project_number AND s.task_number = 'ALL')
OR (b.award_number = s.award_number AND b.project_number=
s.project_number AND b.task_number = s.task_number)

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Author: David Boyd
  INET: davidb158_at_hotmail.com

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Received on Mon Jan 12 2004 - 13:14:27 CST

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