Database - BCNF and 3NF?

Soldato
Joined
20 Jun 2005
Posts
3,826
Location
London..
Well, i'm trying to do some revision but i can't get my head around either BCNF or 3NF...i've read my notes over and over again, my book and also wiki but i don't really understand it clearly.

Can anyone try and help me out with a simple explanation if possible? Here is an example to work with:

Why is that a violation :confused:

Any help is appreciated!
 
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