I love the new NoSQL systems: more choices! After years of RDBMS dominance there are hundrets of NoSQL systems offering a wide range of data models, data distribution strategies and interfaces. Polyglot persistence describes the market change. I am most fascinated by document stores: nested data and data distribution go hand-in-hand. Nested data, finally. And, for those who like it: schemaless or even schemafree. Maybe something to learn for MySQL? But their search capabilities… A word or two on SQL (SELECT … FROM … WHERE – SFW) and nested data.

Learn from NoSQL document stores

The classical relational data model requests all data to be in