>>I have the following SQL that sometimes gives me erroneous results:
>
>Try this:
>Create Cursor T1 (Pk C(1))
>Insert Into T1 Values ("A")
>Insert Into T1 Values ("B")
>
>Create Cursor T2 (Pk C(1), Fk C(1), Value I)
>Insert Into T2 Values ("X", "A", 100)
>Insert Into T2 Values ("Y", "A", 200)
>Insert Into T2 Values ("Z", "B", 500)
>
>Create Cursor T3 (Fk C(1), Value I)
>Insert Into T3 Values ("X", 1000)
>Insert Into T3 Values ("X", 2000)
>Insert Into T3 Values ("Y", 3000)
>Insert Into T3 Values ("Y", 4000)
>
>Select ;
> T1.Pk, ;
> T2Result.SumT2value, ;
> T3Result.SumT3Value ;
>From ;
> T1 ;
> Left Join ;
> (Select T2a.Fk, Sum(T2a.Value) As SumT2Value From T2 T2a Group By 1) As T2Result ;
> On T1.Pk = T2Result.Fk ;
> Left Join ;
> (Select T1a.Pk As Fk, Sum(T3.Value) As SumT3Value ;
> From T1 T1a ;
> Left Join T2 T2b On T1a.Pk = T2b.Fk ;
> Left Join T3 On T2b.Pk = T3.Fk Group By 1) As T3Result ;
> On T1.Pk = T3Result.Fk ;
>Group By 1I will try your suggestion. Thank you so much.
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