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 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 ...

Relational database management systems help companies in almost every industry harness and tap into the power of the information they gather, store, manage and analyze for business operations. One of ...