SQL database is a relational database. The basic quality of NoSQL is that it may not require fixed table schemas, usually avoid join operations, and typically scale horizontally.

The NoSQL taxonomy supports key-value stores, document store, BigTable, and graph databases. MongoDB, for example, uses a document model, which can be thought of as a row in a RDBMS.

SQL has the impressive track record, the large installed base, but NoSQL is making impressive gains and has many proponents. We put the question to experts in both camps.

SQL databases with in-memory column stores, NoSQL with query languages; it looks like the two schools of database design have begun to merge. Written by Simon Bisson, Contributor Nov. 24, 2014, 4: ...

Time series databases provide optimum support for working with time-dependent data. This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data ...

It's not so much a black and white, SQL vs. NoSQL situation, of course: TokBox still kept SQL databases around. That's where his team fed portions of Hadoop output for analysts to query more easily.

SQL is what a lot of people use to mine data at institutions the world over (because Oracle, IBM’s DB2, and Microsoft SQLServer (to name a few) have been installed and used for years at these ...

Couchbase Server 4.0 addresses NoSQL’s biggest pain point with SQL-like query language for its document datastore Couchbase might seem like a bit of an outsider in the world of NoSQL datastores.

The articles on NoSQL databases in Reuven M. Lerner's At the Forge column appearing in recent issues of LJ have been enjoyable. Because this is the Enterprise issue, I think it would be helpful to ...

SQL: I've been discussing the NoSQL movement, but SQL is a familiar language, and is always just around the corner.