[AccessD] SQL theta-joins

Hi all

>From the wish-list for Access:

http://www.smartaccessnewsletter.com/ME2/Audiences/dirmod.asp?sid=&nm=&type=Publishing&mod=Publications%3A%3AArticle&mid=8F3A7027421841978F18BE895F87F791&AudID=C01C1922F71E483AB162D148B15A6F6D&tier=4&id=6F405924A71D4B00A251C0567C463859

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"Support for theta-joins joins using (<>, >, >=, <, <=) arguments and
Union queries in the query design window." 
I suspect that most developers don't even know that Access actually
supports these extensions, so this suggestion would be a worthwhile way
to bring these concepts into the mainstream.
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Anyone having examples on theta-joins?

/gustav