I just noticed that SQL3 has recursive unions but couldn't find an example
for it, just the theoretical definitions. Does anyone have such an example,
just to get a better feel for the definition?

Michael
-- 
Dr. Michael Meskes      | Th.-Heuss-Str. 61, D-41812 Erkelenz | Go SF49ers!
Senior-Consultant       | business: Michael.Meskes@mummert.de | Go Rhein Fire!
Mummert+Partner         | private: Michael.Meskes@usa.net     | Use Debian
Unternehmensberatung AG |          Michael.Meskes@gmx.net     | GNU/Linux!

Wed, 23 Sep 1998 13:57:36 +0200
Michael Meskes <meskes@usa.net>
Recursive Unions