Non-structured databases predate SQL. MUMPS dates to 1966, and is perhaps the canonical NoSQL database. It is a key-value store in almost exactly the same fashion as Mongo or Couch.

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: ...

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.

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.

Unlike SQL databases, many NoSQL databases can be scaled horizontally across hundreds or thousands of servers. The advantages of NoSQL don’t come without a cost, though.

While the audience was comprised of NoSQL users and developers, many seemed to think Stonebraker’s SQL-friendlier approach had some merit, even if they disagreed on individual points.

So-called “NoSQL” technology seems to run counter to those strengths. But in reality, NoSQL is building momentum of its own, and providing the familiarity and power of SQL is how it’s being ...

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 ...

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.