Simple Database Implementation for Educational Purpose [closed]

Question

I would like to learn Database systems implementation in Depth. Is there an open-source simple implementation of database for educational purpose that I can go through the code? Like there are a lot of OS implementation (Minix, Pintos...). I am wondering if there are similar systems for database education as well.

I read a few textbooks and they are mainly focus on theory and concepts.

Thanks a lot! Alfred

Answer 1

Then find some educational material :) When i was learning db concept, my professor ask us to code a simple dbms. One important reference is the Redbase:

http://infolab.stanford.edu/~widom/cs346/

Hope that helps.

Answer 2

MySQL, PostgreSQL, SQlite are all opensource. You can find their source code and related documentation.
Also check NoSQL group of databases.