Schlüsselkennzeichen

Schlüsselkennzeichen is a term used in German to denote a marker or code that serves as a key to identify, locate, or classify an object, record, or concept within a system. It combines the words Schlüssel (key) and Kennzeichen (mark or identifier) to describe a compact identifier that enables reference and retrieval.

In information management and data processing, a Schlüsselkennzeichen often functions as a key. It may be a primary key or another unique code that distinguishes one entry from another, allowing fast lookup, linking of related records, and data integration across systems. Such codes are usually stable, compact, and designed to survive changes in other attributes.

In cataloging, inventory, and administrative contexts, Schlüsselkennzeichen appear as codes embedded in identifiers for parts, products, documents, or transactions. They facilitate sorting, filtering, and cross-system matching, and they may be defined by standards or internal conventions within an organization.

Because the term is generic, the exact meaning of a Schlüsselkennzeichen can vary by domain. Its effectiveness depends on clear definitions, standard formats, and consistent usage. Introducing or changing a Schlüsselkennzeichen without accommodating related systems can lead to mismatches and data quality problems.

See also: Schlüssel, Kennzeichen, Primärschlüssel, Identifikator, Kodierung, Metadaten.