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access update query

5 New Member
I have two tables:

TrendMaster: EmployeeID, Joined_Period, Delay, Index, Branch, K

*Joined_period takes month eg: "April", "March"...

TrendSheet: Branch, April_Joined, April_Delay, April_Index, May_Joined...so on till March_Delay, March_Index

I need to update April_Index with: Average of K factor of employees in TrendMaster for whome Joined_period is April-09 and these need to be grouped as TrendMaster.Bra nch=TrendSheet. Branch

This query works if i have Ahmedabad in TrendMaster. If I dont have it, this does not update 0. I want it to update 0 if there is no record found. Please Suggest

UPDATE TrendSheet INNER JOIN TrendMaster ON TrendSheet.Bran ch=TrendMaster. Branch SET April_Index = NZ(DAvg("[K]","TrendMaster" ,"[Joined_Period]='April-09' AND [Branch]='Ahmedabad'"), 0)
WHERE TrendSheet.Bran ch='Ahmedabad';
Dec 1 '09 #1
2 1501
ChipR
1,287 Recognized Expert Top Contributor
An INNER JOIN is going to update only those records WHERE TrendShet.Branc h = 'Ahmedabad', and TrendSheet.Bran ch = TrendMaster.Bra nch. Perhaps you want a different type of JOIN?
Dec 1 '09 #2
arvarunar
5 New Member
thanx! Left Outer Join works
Dec 2 '09 #3

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