Berkeley CS286: Implementation of Database Systems, Fall 2014‎ > ‎http://www.cs286.net/home/reading-list

Disambiguating Databases, explaining various aspects of difference datastore approach - http://queue.acm.org/detail.cfm?ref=rss&id=2696453

Basic - http://ithare.com/databases-101-acid-mvcc-vs-locks-transaction-isolation-levels-and-concurrency/