With the rise of data concept of BigData was introduced which lays ground work for analyzing variety of data which also is Big in volume. On similar lines, concepts of NO SQL databases is also gaining due to its ability of faster data processing which may not be possible with traditional databases.
So what really is NO SQL Database? How it works and Can it replace traditional RDBMS. To answer these questions to understand NO SQL its real life application, following books would be very helpful. These books are good for anyone who wants to understand NO SQL instead of going in to too much technical details.