>My guess is that the indexes weren't built that way by SDT - it hasn't given me any problems like this to date at least.

Yeah they were. I just did some experiments and found when you use the SDT expression builder button in the expression & filter fields. Both of them put the table name in the expressions they built. I believe this can be turned off in a preferance for VFP somewhere but I didn't see it in my first look. I you know where it is let me know.

Thanks again Ed
Terry