A System of Reference is an authoritative system where data consumers can obtain reliable data to support transactions and analysis, even if the information did not originate in the system reference.
Business rules describe why business should operate internally, in order to be successful and compliant with the outside world.
Logical abstraction entities become separate objects in the physical database design using one of two methods.
The data in Data warehouses and marts differ. Data is organized by subject rather than function
Information architecture is the process of creating structure for a body of information or content. It includes the following components:
Poorly managed Metadata leads to, among other, redundant data and data management processes.