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

Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

Learn about and revise the topics of relational databases and structured query language (SQL) with this BBC Bitesize GCSE Computer Science AQA study guide.

Even though it may be the wrong tool for the job, the years of development behind the relational database ensure its popularity — for the moment, says MongoDB's Max Schireson.

XML databases can handle data of just about any size or format. This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics.

Airtable is easy partly because its developers have done a great job of eliminating common relational database headaches. For example, you never have to think about the primary or foreign keys ...

A question asked about data contained in two or more tables in a relational database. The relational query must specify the tables required and what the condition is that links them; for example ...