The relationship between weak entity and strong entity set is called as identifying relationship.
25+ Weak Entity Example
Pictures. The foreign key is typically a primary key of an entity it is related to. In the er diagram, we have two entities building and apartment.
Lecture 3 Entity Relationship Er Model from www.yumpu.com
The weak entity shows total participation in its relations and this is represented by a double line. To ask your doubts on this topic and much more, click on this direct link. See weak entity entry in wikipedia.
In the er diagram, we have two entities building and apartment.
In the preceding example, we could specify a multivalued attribute dependents for employee, which. The foreign key is typically a primary key of an entity it is related to. To ask your doubts on this topic and much more, click on this direct link. A weak entity is an entity that depends on a strong entity.