For technical clarification, databases come in two flavors: relational and non-relational. Relational (SQL) databases store data in tables with strictly-defined relationships between tables.

In other words, non-relational databases have never been more popular, or more invisible in that popularity. ... We know, for example, that the company now has over 25,000 customers, ...

One of the canonical documents describing the design concepts and rationales for non-relational databases is Amazon.com’s 2007 paper on its “Dynamo” data store, which the company developed ...

In non-relational "hierarchical" and "network" databases, records in one file contain embedded pointers to the locations of records in another, such as customers to orders and vendors to purchases.

The non-relational database specialist's stock is up significantly from its recent 52-week lows. MongoDB ( MDB -1.14% ) stock has experienced considerable volatility this year.

The introduction of increased transactional capability into non-relational databases makes sense-in the same way that providing SQL layers on top of Hadoop and many other non-relational stores makes ...

They now expose a relational data model with support for nested data (for example, JSON). They also expose a SQL interface, but they can't get themselves to call it SQL for some reason.

Today at MongoDB World in Chicago, MongoDB announced the launch of Stitch, its new backend-as-a-service (BaaS) tool that lets developers build MongoDB-powered applications, without the need for ...

For example, a new application, based upon new technology, ... Another point is that the roots of today’s non-relational or NoSQL databases can be found in earlier technology.