A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...

The term relational database is almost superfluous these days. After all, every major commercial database product—Oracle, Sybase, DB2—is based on the same underlying relational model. There are many ...

The information below serves as a brief primer to help you better understand the database terms you’ll most often encounter. Relational Databases. Relational databases became the database of choice ...