"Three DBAs walk into a NoSQL bar. A little while later they walk out because they couldn't find a table."
For our examples in this book, we will use a service in a cloud called MongoHQ. It's the most powerful platform for MongoDB hosting. Apart from providing one of the best MongoDB hosting solutions, they recently released a beta REST API for accessing their services. This is quite interesting for using in mobile clients, as accessing directly a MongoDB server is not the easiest of tasks.
MongoDB (from "humongous") is an open source document database and the leading NoSQL database.
MongoDB's main difference from "classical" relational databases is that instead of storing data ...