I thought it would be worth mentioning again that there is a compiled help file called “SQL Server 2000 System Table Map” which is right here.  I believe it to be a very valuable documentation tool for the database administrator, as well as the database programmer.  An understanding of the lower levels of a product is always a good thing, no?

Yes, I know it will change for Yukon, but people will be on SQL 2000 for some time still.