[AccessD] Count multiple columns

Salakhetdinov Shamil mcp2004 at mail.ru
Tue Dec 4 08:26:53 CST 2012


Hi John --

Sorry, I should have written:

Try 

SUM(ISNULL([YourColumnName],0)

Thank you.

-- Shamil


Вторник,  4 декабря 2012, 18:24  от Salakhetdinov Shamil <mcp2004 at mail.ru>:
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>Hi John --
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Try 
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Count(ISNULL([YourColumnName],0)
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Thank you.
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-- Shamil
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Вторник,  4 декабря 2012, 9:09  от jwcolby <jwcolby at colbyconsulting.com>:
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>I am doing counts for a set of columns.  The values in the column are either 1 or 0 signifying true 
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or false.  If I just do a count() as xyz all the columns give a count equal to the total number of 
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records.  I need to do a count of a value of 1.
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I discovered that if I change one of the 0 values to a NULL then the record with Null does not get 
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counted.  Thus I could go through the table updating each field which uses this method = null where 
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'0'.
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Obviously this is a lot of work I would like to avoid.  However it might be faster(?) to do the count?
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My preference however is to somehow tell the count() of each column to only count values of '1'.
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Is this possible in TSQL?
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-- 
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John W. Colby
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Colby Consulting
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Reality is what refuses to go away
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when you do not believe in it
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