March 2015
Beginner to intermediate
350 pages
7h 54m
English
Content preview from Mastering Apache Cassandra - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Enter NoSQL
NoSQL is a blanket term for the databases that solve the scalability issues which are common among relational databases. This term, in its modern meaning, was first coined by Eric Evans. It should not be confused with the database named NoSQL (http://www.strozzi.it/cgi-bin/CSA/tw7/I/en_US/nosql/Home%20Page). NoSQL solutions provide scalability and high availability, but may not guarantee ACID: atomicity, consistency, isolation, and durability in transactions. Many of the NoSQL solutions, including Cassandra, sit on the other extreme of ACID, named BASE, which stands for basically available, soft-state, eventual consistency.
Note
Wondering about where the name, NoSQL, came from? Read Eric Evans' blog at http://blog.sym-link.com/2009/10/30/nosql_whats_in_a_name.html ...