>I think it is global (rather than scoped to the datasession). By suggesting to turn it on & off, I was only pointing out that things that *appeared* to work in previous versions of VFP, may have not really been working as you expected.
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Steve:

Then then bset think its to locate all code where Group By clause appears and include all the fields in that table or cursor? Would that lead to moire problems, since once may be asking VFP to Group By many fields rather than 1 or 2 specific fields?