Query

Hi

  I have below query , when run in Query Designer it works fine . When i run Preview it does not show effect of 

left(A.[Document No_],1)='T' , it shows all entries

SELECT A.[Posting Date],A.[Document No_] ,A.[Description],A.[Debit Amount] 
FROM Test as A where A.[Debit Amount] > 0 and left(A.[Document No_],1)='T'

Thanks