Kernattribute
Kernattribute, often used in German-language data modeling and knowledge management, denotes an attribute that is essential to the definition of an entity or concept. It represents core descriptive properties that are needed to identify or characterize the object in a stable way, and it is typically contrasted with optional or derived attributes.
In practice, Kernattribute are those properties that participate in identity and fundamental state. In database design
The concept supports data quality, interoperability, and governance. Choosing which attributes are core influences data normalization,
Determining Kernattribute involves domain analysis and stakeholder input. Criteria include uniqueness, invariance across subdomains, stability over
Examples: In an employee record, core attributes might be employee_id, legal_name, date_of_birth, and start_date; in a
See also: primary key, natural key, essential attribute, data governance. Note: the term is not universally standardized