(Top QUALITY 2024/2025 EXAM REVIEW) WGU C175 - Data Management Foundations - Ch. 4 Terms. Full Coverage. Easy Mastery, VERIFIED.

WGU C175 - Data Management Foundations - Ch. 4 Terms. Full Coverage. Easy Mastery, VERIFIED. binary relationship - -An ER term for an association (relationship) between two entities. For example, PROFESSOR teaches CLASS. cardinality - -A property that assigns a specific value to connectivity and expresses the range of allowed entity occurrences associated with a single occurrence of the related entity. composite attribute - -An attribute that can be further subdivided to yield additional attributes. For example, a phone number such as may be divided into an area code (615), an exchange number (898), and a four-digit code (2368). Compare to simple attribute. composite identifier - -In ER modeling, a key composed of more than one attribute. derived attribute - -An attribute that does not physically exist within the entity and is derived via an algorithm. For example, the Age attribute might be derived by subtracting