Mengenschlüsseln
Mengenschlüsseln, a German term often translated as "set keys" or "set identifiers," refers to a conceptual approach in data management and programming where a specific value or set of values is used to uniquely identify or group a collection of related items. Instead of assigning a distinct identifier to each individual item in a large set, a common key or a defined set of criteria is applied to all members of that set. This allows for more efficient referencing, querying, and manipulation of data.
The principle of Mengenschlüsseln can be observed in various contexts. In database design, for example, a foreign