| question [message #39037] |
Sun, 09 June 2002 21:01  |
Suresh
Messages: 189
Registered: December 1998
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Senior Member |
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is there a any function called Exist, similar to sybase in oracle.
i have to return one value in either of my filter.
select t.tester_cd, t.test_name from tester t, result r, workinghrs w
where
t.tester_id = r.tester_id and
t.tester_id = w.tester_id and
((t.test_case1 = 'UPDATE') or (t.test_case1 = 'ADD' and test_dt in (select min(test_dt) from workinghrs where tester_id = t.tester_id))
order by t.tester_id;
if there is update i have to return tester_id who did update else tester_id of initial addition.
will appreciate any help, please post if you need more info
suresh
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| Re: question [message #39041 is a reply to message #39037] |
Mon, 10 June 2002 00:59  |
Subhash
Messages: 105
Registered: October 2001
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Senior Member |
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You can use decode function to achieve this
Eg:
Select Decode(test_case1,'UPDATE',tester_id,'ADD',(Select b.testerid from tester b where b.ttest_dt=(select min(c.test_dt) from workinghrs c ))) from tester a
You have to ensure the join-conditions between the tables proper
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