Hands-On Software Engineering with Python

Other data storage options

Another option—one that is probably not going to work well for large quantities of data, or under significant concurrent user-load—is simply to store application data locally as one to many files on the local machine. With the advent of simple structured data representation formats such as JSON, this can be a better option than it might seem at first glance, at least for certain needs: JSON, in particular, with its basic value-type support and the ability to represent arbitrarily complex or large data structures, is a reasonable storage format.

The most significant impediment is making sure that data access has at least some degree of ACID compliance, though, as with NoSQL databases, if all transactions are single ...