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Old May 12th, 2006, 10:26 PM
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Default how to calculate the percentage in sql

In the below select statement the client wants to have percentage of (t.regularhours) instead of sum(t.regularhours) how to calculate thepercentage please help me out .

ISNULL(w.Name, 'N/A') AS WorkGroupName,
'Project' as TimeType,

case when res.employeetype ='NT' then 'NTNI'
when res.employeetype= 'EM' then 'Employee'
when res.employeetype= 'CO' then 'Contractor'
when res.employeetype= 'MC' then 'Management Consultant'
when res.employeetype= 'OS' then 'Offshore'
end Employeetype,
Sum(t.RegularHours) AS RegularHours
Workgroupmember wgm (NOLOCK) ON t.ResourceId = wgm.ResourceId and t.WorkgroupId=wgm.WorkgroupId and t.GlobalWorkgroupId=wgm.GlobalWorkgroupId LEFT OUTER JOIN
Workgroup w (NOLOCK) ON w.WorkgroupId = wgm.WorkgroupId and w.deleted = 0 LEFT OUTER JOIN
GlobalWorkgroup gwg (NOLOCK) ON wgm.GlobalWorkgroupId = gwg.GlobalWorkgroupId LEFT OUTER JOIN
Resources res (NOLOCK) ON wgm.ResourceId = res.ResourceId
where timedate >'12/10/2005' and approvalstatus='A' and w.obs like '00001.00004.00001%'
group by w.name,res.employeetype

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Old May 13th, 2006, 03:28 AM
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The percentage of (t.regularhours) in relation to what? You need to have a base in order to calculate percentage.

If you have 10 hours, it doesn't make sence to say: "how many percentage is 10 hours". You could say "how many percentage of the total hours in a day is 10 hours?" Then the answer would be 10.0 / 24 * 100 = 41.666 %


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