In short, Use CouchDB if you are 100% sure you won't need any (complex) joins. This post won't go through any theoretical differences or benchmark scores, only different use cases that I find really important to consider before using CouchDB. CouchDB is the dream DBMS...

CouchDB is one of the most powerful DBMS nowadays. However, although its documentation is good, there is not enough topics of how-tos and best practices for common use cases. One of these use cases is the database_per_user. Each user has his own private data that only...