> Just did this with an LDAP query and a SQL Server result set the other
day.
>
> UNION is what you want to use, as for flagging dups...UNION eliminates the
> duplicates so I don't know if you would need/want/be able/ to flag them.

I think he's looking to find differences instead of combining everything.
For instance, if there's a File1 in DirectoryA, there should be a File1 in
DirectoryB.  Also, they should be the same size.  I should note that I did
not include that in my query -- sorry.  Just add the a.size = b.size in the
ON clause.



Ben Johnson

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