What does relational database actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

For a long time, companies have been using relational databases (DB) to manage data. However, with the increasing use of ...

Even new database technology has roots Another point is that the roots of today’s non-relational or NoSQL databases can be found in earlier technology.

Another problem is that current SQL database systems permit the creation of tables that can contain duplicate rows. The relational model is based on set theory, and a set cannot contain duplicate ...

This year is an expansive one for the database ecosystems that have evolved around the major platforms. Artificial intelligence (AI), machine learning, the Internet of Things (IoT), and cloud ...

At my last job I worked on a monolith that sat on top of a NoSQL database. Our DAOs were fairly simple beasts that did mostly CRUD operations and some non-trivial finds. For the vast majority of ...

23 April 2003 Dr Edgar ‘Ted’ Codd, the inventor of relational database whose ideas inspired IBM’s core database product DB2 and provided the basis for the Oracle software empire, has died of heart ...