NoSQL

A broad class of database management systems that differ from traditional relational databases in not using SQL as a primary query language and in omitting some common features to enhance scalability.

Proper noun

  1. A broad class of database management systems that differ from traditional relational databases in not using SQL as a primary query language and in omitting some common features to enhance scalability.

Origin

From no + SQL; more recently sometimes explained as short for not only SQL.

Related

NewSQL