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You tried to execute a query that does not include the specific expression as part of an aggregate function?????????

Posted on 2006-07-15
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Last Modified: 2008-02-01
I am using the following cross-tab query but an error message comes out "You tried to execute a query that does not include the specific expression'TimeCode' as part of an aggregate function" any suggestions ? thanks !

TRANSFORM tbPlacement.TimeCode
SELECT tbStudentInfo.StudentName
FROM tbStudentInfo INNER JOIN (tbDetailsOfDates INNER JOIN (tbDetailsOfWeekday INNER JOIN (tbPlacement INNER JOIN tbStudentGroupList ON tbPlacement.GroupName = tbStudentGroupList.GroupName) ON tbDetailsOfWeekday.DayNo = tbPlacement.DayNo) ON (tbDetailsOfWeekday.DayNo = tbDetailsOfDates.DayNo) AND (tbDetailsOfDates.DayNo = tbPlacement.DayNo) AND (tbDetailsOfDates.WeekNo = tbPlacement.WeekNo) AND (tbDetailsOfDates.TermNo = tbPlacement.TermNo)) ON tbStudentInfo.StudentID = tbStudentGroupList.StudentID
WHERE (((tbPlacement.Venue)="4d") AND ((tbPlacement.VenueCode)="sh"))
GROUP BY tbStudentInfo.StudentName
ORDER BY tbStudentInfo.StudentName, tbDetailsOfDates.Dates
PIVOT tbDetailsOfDates.Dates;
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Question by:mmccy
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Expert Comment

by:rockiroads
ID: 17115524
Does the TRANSFORM statement not require an aggregate function?

e,g,

TRANSFORM Sum(tbPlacement.TimeCode

or

TRANSFORM Var(tbPlacement.TimeCode
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Author Comment

by:mmccy
ID: 17116552
there is no aggregate function for the transform statement
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Expert Comment

by:rockiroads
ID: 17116652
What Im saying is, dont u need one
if u add one in, do u still get the error
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Accepted Solution

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GRayL earned 500 total points
ID: 17117674
By way of explanation, in a crosstab query, if the field in the TRANSFORM statement is not part of an Aggregate function, it must be named in the GROUP BY clause.  Normally, that field is wrapped in an aggregate function such as Sum, First, Last, Min, Max, etc. so the crosstab can serve as a collector of data, with rows as per the SELECT statement and additional columns as per the PIVOT clause.  It is hard to imagine a meaningful crosstab query without an aggregate function in the TRANSFORM statement.  When the TRANSFORM statement is an aggregate function, it is not part of the GROUP BY clause.  
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Expert Comment

by:rockiroads
ID: 17117805
Perhaps thats how I needed to phrase it, as that was the point I was trying to make

mmccy, in your question after this, u used FIRST, just wondering whether what I wrote actually helped or not - feedback purposes
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Expert Comment

by:GRayL
ID: 17122865
Thanks, glad I could help.
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Expert Comment

by:GRayL
ID: 17122866
Thanks, glad I could help.
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LVL 65

Expert Comment

by:rockiroads
ID: 17126869
GRayL appreciated it so much, it stressed it again :)
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Expert Comment

by:rockiroads
ID: 17126870
urm, typo
should be

he stressed

not

it stressed

ooops
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