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I've run into a bit of a wall. I am attempting to identify polygons that overlap from within one input (.TAB). This is easily done with the spatial match tool when you have two separate spatial inputs, but I'm struggling to think of how this can be done with one.
Maybe I'm oversimplifying this or missing something obvious, but can't you just use a RecordID for each unique polygon, connect it to both the target and the universe, and then filter out the cases where RecordID = Universe_RecordID?
This should only create N duplicate records where N is your number of polygons.