The relational optimizer is a very complex component of the RDBMS that we too often take for granted. The optimization techniques of the major RDBMS products continue to be improved with every new ...

The heart of any relational database management system is the system catalog that documents the database objects and system settings being used. The system catalog offers a wealth of information about ...

A library database with three linked tables (Authors, Titles and Subjects). A classic example of relational database design, this would be nearly impossible to do in a spreadsheet but was easy to ...

Do you want to work with a Relational Database Management System (RDBMS) or a NoSQL database system? RDBMS applications store data in a structured form while NoSQL is a non-relational database system ...

As the rise of modern, cloud-native distributed relational databases from cloud providers or independents continues to grow, what can we expect next?

Relational SQL databases, which have been around since the 1980s, historically ran on mainframes or single servers—that’s all we had. If you wanted the database to handle more data and run ...

IBM Informix is a database server that focuses on relational database management. Learn about IBM Informix & compare it to competitors.

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