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 database gets its name from what it isn’t: It’s a database that does not use Structured Query Language (SQL) to access the data. Some of the well-known databases, such as Oracle and ...

NoSQL solutions emerged as a reaction to frustration with the cost and inflexibility of legacy RDBMS products like Oracle and IBM DB2, which use SQL as a query language. The original NoSQL systems ...

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 ...

Technology Editor Bill Wong examines the differences between SQL, NoSQL, and NewSQL databases.