Type of entity relationship

Entity–relationship model - Wikipedia

type of entity relationship

Equipment is allocated to projects. A truck is a type of vehicle. There are potentially three types of relationship which can exist between two different entities. This page describes the three types of relationships when examining how entities relate to one another in a data model. An entity set may contain entities with attribute sharing similar values. For example A set of relationships of similar type is called a relationship set. Like entities.

type of entity relationship

- Надо думать. Есть различие, которое мы все время упускаем. Что-то очень простое.

  • ER Model - Basic Concepts
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  • Entity–relationship model

- Ой, дорогие мои… - сказала вдруг Соши. Она открыла на экране второе окно и просматривала остальную часть документов Лаборатории вне закона.