I’m not sure where to post this question, but this seemed the most appropriate area. How does Unity work with databases. I know very little about databases in general (such as designing and implementing). When I was researching databses for a C++ app I was working on, I learned how to create the connections and interface with the database through the code, but how do you do it with Unity? Do you need the pro version so you can do the C++ stuff, or can you do it through javascript/C#, or does Unity already have built in support for database integration and I just missed that in the documentation?
I would say that SQLite is a great way to go.
You can connect to an SQLite database from C# really easily. There’s some discussion and sample code here:
http://forum.unity3d.com/viewtopic.php?t=8432
I’ve done this and it works great … though not sure whether or not this is doable in Unity Indie, since I have Pro 
Good luck!
Jeff.
An now it seems that in 2.5 you don’t even have to have the Mono.Data.Sqlite file in the assets directory. Just calling import in JS at least works fine, in fact putting the DLL in the assets folder seems to confuse the compiler.
If you want to integrate sqlite database in unity3d then you should try the following plugin, which is very easy to integrate with full support.