>I had actually thought of using a timestamp, but now am leaning toward a change flag which would be reset by the synchronizing program.
That may be even better. A single byte, and the timestamp may be bogus (wrong time on the computer). I am not sure, though, since I didn't actually do this kind of thing myself.
You will still have to think what to do with "update conflicts" (two users changing the same record on both sites).
Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)