- The paper that started it all.
<cite>A Relational Model of Data for Large Shared Data Banks</cite> by Dr. E.F.Codd [HTML]
- If you only ever read one paper on designing a database, this is the one to read.
<cite>A Simple Guide to the Five Normal Forms</cite> by William Kent [HTML] [PDF]
For those that are interested my old picture can be found here.