adatdictionaryket
Data dictionaries are structured metadata repositories that describe data elements used within an organization’s information systems. They provide formal definitions, data types, lengths or precisions, allowed values or code lists, nullability, default values, constraints, and the relationships between elements. They may also record data origins, ownership, stewardship, retention, and change history. In some contexts the term adatdictionaryket appears as a mixed-language form referring to multiple such dictionaries.
The primary purpose of data dictionaries is to support data governance, data quality, and interoperability. By
A typical data dictionary lists elements with fields such as element name, alias or synonym, description, data
Data dictionaries come in several forms, from physical dictionaries tied to database schemas to logical or