Time Calendar Data Structure

Question

We are looking at updating (rewriting) our system which stores information about when people can reserve rooms etc. during the day. Right now we store the start and time an

Answer 1

I found this book to be inspiring and a must-read for any kind of database involving time management/constraints:

Developing Time-Oriented Database Applications in SQL

(Added by editor: the book is available online, via the Richard Snodgrass's home page. It is a good book.)