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I have a join Query that Returns Nulls. Is There a Way to Make it Return Zeroes instead of Nulls?

Posted on 2011-09-09
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Last Modified: 2012-05-12
I have a join query that returns nulls. (Code posted below)

I would like the nulls to show as zeroes instead of just empty values.

The QPR_Intersuhl_QNs_tbl is the table with the gaps that show up as nulls. I would like the Total_QMs field to return a zero if the value for that field is a null.
SELECT QPR_Interstuhl_QNs_tbl.WeekEndingDate, QPR_Interstuhl_QNs_tbl.Total_QNs, Possible_Week_Ending_Dates_Tbl.PossibleWeekEndingDates
FROM QPR_Interstuhl_QNs_tbl RIGHT JOIN Possible_Week_Ending_Dates_Tbl ON QPR_Interstuhl_QNs_tbl.WeekEndingDate = Possible_Week_Ending_Dates_Tbl.PossibleWeekEndingDates;

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Question by:Rex85
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4 Comments
 
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Dale Fye earned 2000 total points
ID: 36513042
Wrap those other fields in the NZ() function.

SELECT NZ(QPR_Interstuhl_QNs_tbl.WeekEndingDate, 0), NZ(QPR_Interstuhl_QNs_tbl.Total_QNs, 0)

Although I'm not sure why you would want to display a zero for a blank date field.
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Author Comment

by:Rex85
ID: 36513058
It's the one field ... Total QNs that needs to be a zero. It is essentially a count of complaints
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Author Closing Comment

by:Rex85
ID: 36513069
that did it. thanks again! (I only used it on the one field.)
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LVL 48

Expert Comment

by:Dale Fye
ID: 36513071
as recommended, use the NZ() function.  NZ stands for NullToZero.  By default it is supposed to return a zero if you don't pass it the optional value, but I generally provide it the 0 anyway.
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