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I'm not sure if that's the right term, but how do I list records that are <B>not</B> matched to records in another table? I am joining 2 tables right now, tblPerson and tblHat, which are designed and ...

i have 2 tables, one is a list of vehicles, the other is a regularly updated(2 minutes) list of their coordinates, with a timestamp of the coordinate, and a reference ID. i am having a bit of trouble ...