Posts by
Redgate Data Modeler

Redgate Data Modeler

27 November 2013

Redgate Data Modeler

27 November 2013

Theory and History: Why are Relational Databases “Relational”?

Many people wonder why relational databases are called "relational.” Some think that it's because of a logical entity-relationship model you often start your design with. Or, because you have tables and relationships (aka foreign keys) between them. But that's not the case. The name comes from the mathematical notion of "relation." It all started with... Read more