1 Reply Latest reply on Apr 19, 2016 8:05 AM by Jonathan Drummey

    Union between TDE

    thanigaivel.s

      Hello All,

       

      Union between two TDE's are possible?

       

      My requirement is to match both my TDE's numbers with the database values, if i use data blending(Edit relationship) my primary data gets the matching values wheres my secondary doesnt,

       

      Ex

      Primary has

      A   5

      B   10

      C   15

       

      Secondary

       

      A   5

      B   10

      C   15

      D   20

       

       

      Result

       

      A    10

      B    20

      C    30

       

       

      Since i am driving the dimension from primary, is it so? very confused.

       

      Jonathan Drummey

        • 1. Re: Union between TDE
          Jonathan Drummey

          Tableau data blending is not a union, it's a variation on a left join where (among other differences) the secondary source cannot increase the grain of the primary source. If you want all 4 values to show up then you'd need to make your secondary the primary, if that's not workable in all cases then you'd likely need to create a third data source that had all the dimensionality that you need.

           

          Jonathan