http://msaccess.batcave.net
This site contains comprehensive, straight forward summaries of the major concepts,issues, and approaches related to databases. You probably won't find anything here that you can't find in other places. However, I don't know of any other source that collects so much database-related information in one place. This consists of concepts that change rapidly or where there have been major developments. I've explained in all details in depth since interest in this database phenomenon is growing at an astounding pace.
