Central control over the logical data model and data element definitions allows applications to share data structures and field validations. Models can also be generated with the full name, coded name or alias. For example, the report may include the table definition, column names and definitions, characteristics for each column, and the associated primary and foreign keys. The lowest piece of data that describes an entity. This term is used during the development of the Conceptual data model.
Attributes become data elements in the Logical data model.
A group of tools designed to work together to integrate the process of data modelling and data management. A code table is used to provide rules for automated editing. A high-level model to describe data that is maintained in the database. A model that applies across the organization. Also known as field and column .