>> Can't find the link on the University of Arizona's website to the book that works. <<
http://www.cs.arizona.edu/~rts/tdbbook.pdf
Developing Time-Oriented Database Applications in SQL, Richard T.
Snodgrass, Morgan Kaufmann Publishers, Inc., San Francisco, July,
1999, 504+xxiii pages, ISBN 1-55860-436-7.
The PDF of this book is here (which looks a little fuzzy but prints
fine, except for pages 30-31, which are here) and its associated CD-
ROM in zip (59MB) or gzipped tar (57MB) formats.