- what is a nosql database learn by writing one in python, http://jeffknupp.com/blog/2014/09/01/what-is-a-nosql-database-learn-by-writing-one-in-python/
- Howto write a simple DB, http://stackoverflow.com/questions/1052189/how-to-write-a-simple-database-engine
- http://infolab.stanford.edu/~ullman/dscb.html#projects
- http://infolab.stanford.edu/~ullman/fcdb/ito/index.html
- https://en.wikipedia.org/wiki/Category:Free_database_management_systems
- http://en.wikipedia.org/wiki/Clustered_file_system
- http://en.wikipedia.org/wiki/List_of_file_systems
- http://en.wikipedia.org/wiki/Fallacies_of_Distributed_Computing
- UStore: A Distributed Storage With Rich Semantics with a data-structure similar to that of Git.
- Hstore vs. Json, https://news.ycombinator.com/item?id=5991936