SQL or NOSQL ? MONGODB or Relational ?

http://www.youtube.com/watch?v=b2F-DItXtZs

http://highscalability.com/

It has harsh language in it but made me laugh

http://blog.michaelckennedy.net/2010/04/29/mongodb-vs-sql-server-2008-performance-showdown/


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http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-vs-redis

http://patrickmcfadin.com/2014/02/11/mongodb-this-is-not-the-database-you-are-looking-for/