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

Solving Real World problems – Relational Databases In a world that is all about new apps and cloud computing, sometimes the important stuff doesn’t look new or cool. Sometimes key small business tools ...

Most database startups avoid building relational databases, since that market is dominated by a few goliaths. Oracle, MySQL and Microsoft SQL Server have embedded themselves into the technical ...

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 ...

Relational database management system advantages and disadvantages are often tied together. While they are easy to use, for example, they can be complex and expensive to design and set up.

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.

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 ...