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Need a query to count of distinct vehicle code

 
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noorkh

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Joined: 06 Mar 2006
Posts: 76
Location: Chennai

PostPosted: Wed Jan 10, 2007 2:17 pm    Post subject: Need a query to count of distinct vehicle code
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Hi,

These are my requirement.

I have one table called TVEHICLE.

There are 2 columns Policy no, Vehicle code.

I want to know the count of distinct vehicle code for the same policy no.

For eg:

Policy no Vehicle code
1234 45
1234 46
1234 47
1234 47
1236 48
1236 49

So the output should be

Policy no count
1234 2 for 45,46 ( 47 should not be considered as it is duplicate)
1235 2

Can anyone of you give me idea how to query for this?

Thanks Noor
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ashimer

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Joined: 13 Feb 2004
Posts: 551
Location: Bangalore

PostPosted: Wed Jan 10, 2007 3:21 pm    Post subject:
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here is your query

SELECT POLICY_NO,COUNT(*) FROM SESSION.POLICY
WHERE VEH_NO NOT IN(SELECT VEH_NO FROM SESSION.POLICY
GROUP BY VEH_NO HAVING COUNT(*) > 1) GROUP BY POLICY_NO;
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noorkh

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Joined: 06 Mar 2006
Posts: 76
Location: Chennai

PostPosted: Thu Jan 11, 2007 1:06 pm    Post subject: Re: Need a query to count of distinct vehicle code
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Thanks
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