| Unit 20 | Taming Document Stores: MongoDB |
A document store (a NoSQL database) is a non-volatile collection of objects, often known as documents, with attributes. Many different implementations of document stores have been developed. In this unit, you’ll look closely at one of them—MongoDB—and take a quick peek at its chief competitor, CouchDB.[17]
MongoDB is a non-relational database. One MongoDB server can support several unrelated databases. A database consists of one or more collections of documents. All documents in a collection have unique identifiers.
A Python MongoDB client is implemented in the Python module pymongo as an instance of the class MongoClient. You can create a client with no parameters (works for a typical local server installation), ...
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