Logical Data Dictionary

A centralized repository of logical data elements and other metadata about them. This may include the meaning of a piece of data, relationships to other logical data, origin, usage, type and length. Logical data usually models the real world far more closely that of physical data since physical data and its structure is usually optimized for system performance purposes


Logical Data Dictionary

A centralized repository of logical data elements and other metadata about them. This may include the meaning of a piece of data, relationships to other logical data, origin, usage, type and length. Logical data usually models the real world far more closely that of physical data since physical data and its structure is usually optimized for system performance purposes

Used in methodology