comp.databases.theory: by subject

a union is always a join!
- rpost (Wed Apr 01 2009 - 17:07:23 CDT)
- rpost (Wed Apr 01 2009 - 16:31:41 CDT)

Last message date: Wed Apr 01 2009 - 17:07:23 CDT
Archived on: Thu Apr 30 2009 - 22:42:02 CDT

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