Let E Be An Entity Set In A Relationship Set R If Only Some #121

Let E be an entity set in a relationship set R. If only some entities in E participate in relationships in R, then the participation of E in R is __________

This multiple choice question (MCQ) is related to the book/course gs gs114 Relational Database Management System. It can also be found in gs gs114 Database Design and the ER Model - Entity Relationship Model - Quiz No.1.