comp.databases.theory: by author

paul c
- Re: a union is always a join! (Fri Mar 06 2009 - 20:34:36 CST)
Walter Mitty
- Re: a union is always a join! (Fri Mar 06 2009 - 09:05:28 CST)

Last message date: Fri Mar 06 2009 - 20:34:36 CST
Archived on: Tue Mar 31 2009 - 11:12:03 CDT

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