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continue - Subtypes count

Posted on 2009-07-08
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Last Modified: 2012-05-07
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How would I return 1 row with all the subtypes.  
The return row should be:
Id, T1S1, T1S2, T1S3, T2S1,T2S2,T2S3
T1S1 means Type=1 SubType=1, T2S1 means Type=2 and SubType=1 etc.
T1S1,T1S2... should show how many subtypes exist.
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Question by:johnkainn
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Accepted Solution

by:
Raja Jegan R earned 500 total points
ID: 24802355
Hope this helps
SELECT ID, sum( CASE WHEN Type=1 AND SubType=1 THEN 1 ELSE 0 END) T1S1,
sum( CASE WHEN Type=1 AND SubType=2 THEN 1 ELSE 0 END) T1S2,
sum( CASE WHEN Type=1 AND SubType=3 THEN 1 ELSE 0 END) T1S3,
sum( CASE WHEN Type=2 AND SubType=1 THEN 1 ELSE 0 END) T2S1,
sum( CASE WHEN Type=2 AND SubType=2 THEN 1 ELSE 0 END) T2S2,
sum( CASE WHEN Type=2 AND SubType=3 THEN 1 ELSE 0 END) T2S3
FROM ur_table
GROUP BY ID

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Expert Comment

by:sunil_mails
ID: 24803600
put ur table structure to help experts gv u perfect solution.. if possible put 4-5 sample rows
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