Attribute, 5. A descriptive characteristic of an entity or a logical data object. This typifies similar properties of objects. Is specified by a definition and can be described in more detail by a data type and value range. Corresponds to the granularity of a column in a physical database model. Also known as a property, it is generally regarded as a feature, characteristic, information detail, etc. that is assigned to a specific object., Base Attribute, 6. Generic term that is defined in one place and to which various local attributes can refer., Primary key, 4. Most important key candidate of an entity from a technical perspective., Foreign key, 3. Attribute or a group of attributes that represent the primary key of another relation. This realises an identifying relationship of the ER model., Key attribute, 2. Attribute that is part of a key candidate of the entity. In addition to these attributes, identifying relationships can also form the key of an entity., Key candidate, 1. Combination of attribute(s) and/or relationship(s) to uniquely identify the individual entity characteristics.

DM-Terms, Attribute

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