maandag, augustus 21, 2006

 

Developing Time-Oriented Database Applications in SQL (free e-book)

Mach'es wie die Sonnenuhr
Z¨ahl' die heiteren Stunden nur

Do like the sundial:Count only the bright hours?
German proverb

Dowload
http://www.cs.arizona.edu/people/rts/tdbbook.pdf