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Why does this update every record

Posted By:      Posted Date: October 22, 2010    Points: 0   Category :Sql Server

I know this has worked in the past. But running this now updates every record instead of just the requested date range. Any idea why?

UPDATE  License
SET       Version = 8
             (SELECT   License_1.Version
              FROM     Person INNER JOIN
                          Company ON Person.CompanyId = Company.companyId INNER JOIN
                          License AS License_1 ON Person.PersonId = License_1.CustomerId
              WHERE   (Company.anniversary >= '7/1/2009'))

What's really weird is I can change the inequality and it still updates all records.

??? - thanks - dave

Very funny video - What's your Metaphor?

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