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MySQL table alias names

willsherwood asked
Last Modified: 2012-05-11
why does the first example below work, and the second complains of unknown field Sort

        FROM PropertyListings AS PL , Towns AS T, Counties AS C                              
      WHERE PL.TownshipID = T.ID AND PL.CountyID = C.ID
      ORDER BY T.Sort DESC                               <---  (1)  WORKS

        ORDER BY Towns.Sort DESC                               <---  (2)  FAILS

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