data dictionary definition

data dictionary

Database about a database. A data dictionary defines the structure of the database itself (not that of the data held in the database) and is used in control and maintenance of large databases. Among other items of information, it records (1) what data is stored, (2) name, description, and characteristics of each data element, (3) types of relationships between data elements, (4) access rights and frequency of access. Also called system dictionary when used in the context of a system design.

data dictionary is in the Data Management, Communications, & Networks and Information Science & Technology subjects.

data dictionary appears in the definition of the following term: system dictionary

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