Reporting what's not there
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Published on Fri, 16 Oct 2009 04:00:00 +010
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2010/03/07
23:13 UTC
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It's easy to write queries that will show data in the database that matches a criteria. However, if no data in the database matches the criteria, it becomes more difficult. This article examines two different scenarios where it's necessary to create data in order to be able to report zero values in queries.
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