For any relationship between an entity type derived from the parent node and an entity derived from the child node,this relationship should be M-N or 1-M.

Question

Quizplus · Accepted Answer

In a hierarchical relationship, the parent node is always related to multiple child nodes, and each child node is related to only one parent node. This means that the relationship between the parent node and the child node is always M-N or 1-M.

For Any Relationship Between an Entity Type Derived from the Parent