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Union of two point feature classes

Question asked by deleted-user-ugCMpXci8bn5 on May 14, 2014
Latest reply on May 16, 2014 by rfairhur24
I have one large point feature class and another smaller point feature class.  The larger FC contains most, but not all, of the features that are in the smaller FC.

I would like to extract the few features in the smaller class that are not in the larger FC and append them to the larger FC, essentially  a union of the classes (but for point FCs, not polygons).  I would prefer to do this using attributes; the two FCs have some matching fields, but in this case, Select By Location is not precise enough (there are some matching features in the two classes that are not completely aligned with one another).
Ideas? Maybe I am overlooking something, this seems like it should be pretty simple.  Thanks, J