A collection of data organized according to a conceptual structure describing the characteristics of the data and the relationships among their corresponding entities, supporting one or more application areas. [ ISO/IEC 2382-1 ]
Database [ ISO/IEC/IEEE 24765 ]: A collection of interrelated data stored together in one or more computerized files.
Database [ ISO/IEC 29881 ]: Collection of data describing a specific target area that is used and updated by one or more applications.