I want to give you the hint that the most wow devs document stuff about wow files (also the DBCs) on the wow dev wiki.
It would be nice if you have new informations, you could add them there. Because its not usefull to have 10 places where informations go :) You can also see its no a modcraft site, but we all use it. We only mirror it for backup :)
To get an account there just read this: