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juicyapple
Posting Yak Master
176 Posts |
 Posted - 2008-09-25 : 07:01:36
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| How to get the percentage for : user with age = 10 / total user?Select Count(User) From tableA (nolock) Where Id = 1 And Age = 10 --return 1Select Count(Id) FROM tableA (nolock) Where Id = 1--return 10 |
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visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2008-09-25 : 07:04:19
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| [code]Select Count(case when Age = 10 then Id else null end)*1.0/Count(Id) AS [Age10Precentage] FROM tableA (nolock) Where Id = 1[/code] |
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bjoerns
Posting Yak Master
154 Posts |
Posted - 2008-09-25 : 07:11:11
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| May I ask for what reason you store the age of a person instead of the date of birth? |
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juicyapple
Posting Yak Master
176 Posts |
Posted - 2008-09-25 : 10:13:41
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quote:
Originally posted by visakh16
Select Count(case when Age = 10 then Id else null end)*1.0/Count(Id) AS [Age10Precentage] FROM tableA (nolock) Where Id = 1
Great. Thanks. |
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juicyapple
Posting Yak Master
176 Posts |
Posted - 2008-09-25 : 10:14:47
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quote:
Originally posted by bjoerns
May I ask for what reason you store the age of a person instead of the date of birth?
 I just put an example scenario.. this is not the actual one.. |
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Select statement