>Thank you.
>PS
>You resolved my specific question.
>Can I understand that there is not way to get data directly from the index?
You can if you change index expression to something w/o MIN/MAX functions, for example
IIF(ssn1>ssn2, STR(ssn1) + STR(ssn2), STR(ssn2) + STR(ssn1))
--sb--