From: zf@jak.local   
      
   On 2009-10-11, Erland Sommarskog  wrote:   
   > zf (zf@jak.local) writes:   
   > [snipped useful message only for brevity]   
   >   
   > But then there are situations when users want to be able add new fields   
   > on the fly, and this is a difficult situation where no solution is   
   > really pleasant. I can think of three:   
   >   
   > o  Lots of user_defined_1, user_defined_2 etc columns.   
   > o  Provide a functions for superusers to add columns to the table in   
   >    a controlled way.   
   > o  The EAV design that you have encountered.   
   >   
   > Whichever way you go, you need a way get the application to generate   
   > the queries.   
      
   Thank you for your inputs and providing a good learning experience   
   here. Your guidance is greatly appreciated.   
      
   --   
   zf   
      
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