Chapter 12. Schema Migrations
12.1. Schema Changes
The recent trend in discussing NoSQL databases is to highlight their schemaless nature—it is a popular feature that allows developers to concentrate on the domain design without worrying about schema changes. It’s especially true with the rise of agile methods [Agile Methods] where responding to changing requirements is important.
Discussions, iterations, and feedback loops involving domain experts and product owners are important to derive the right understanding of the data; these discussions must not be hampered by a database’s schema complexity. With NoSQL data stores, changes to the schema can be made with the least amount of friction, improving developer productivity (“The Emergence of ...