Source: NoSQL Distilled: A Brief Guide to the Emerging World of Polyglot Persistence by Pramod J. Sadalage & Martin Fowler (ISBN-13: 978-0321826626) 1. Introduction NoSQL Distilled addresses the limitations of the dominant relational database model in the era of large-scale web applications, big data, and cloud computing. The book introduces the concept of Polyglot Persistence —using multiple data storage technologies within a single application to best match how data is used.

Read the original PDF (available via institutional access or purchase) for detailed case studies, examples in code, and deeper explanation of eventual consistency mechanisms like vector clocks and read repair. Report compiled based on the core content of NoSQL Distilled (2012, Addison-Wesley). For full details, including the chapter on “Integrating NoSQL with Relational Databases” and migration strategies, refer to the original text.