>>Hi,
>>
>>I am trying to "translate" the VFP code that has IIF() in the JOIN into SQL Server systax. Here is what I have (but gives me error):
>>
>>
>>select * from Table1 left join Table2 ON CASE WHEN LEN(RTRIM(Table1.Fld1))=0 THEN Table1.Fld2 = Table2.Fld2
>> ELSE Table1.Fld1 = Table2.Fld1 END
>>
>>
>>What am I missing? TIA
>
>You will never get a good performance with such conditional JOIN. I suggest to use UNION and handle each case separately.
Thank you.
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