MongoDB Notes for Professionals

A quick, well-loved introduction to MongoDB. In about 60 pages you learn selectors, updates, data modeling without joins, aggregation, indexes, replication, and when MongoDB is the right choice.

Karl Seguin

A thorough survey of the NoSQL movement. It explains consistency models, partitioning, and storage layouts, then studies key-value stores, document databases like CouchDB and MongoDB, and column stores such as Cassandra.

Christof Strauch

A short guide to Redis and its data structures. It covers strings, hashes, lists, sets and sorted sets, plus expiration, transactions, publish and subscribe, and Lua scripting.

Karl Seguin