Which of the following is the term for whether or not an instance of one entity class must participate in a relationship with another entity class?

2-2 Case Study Presentation_Hines.pptx

Week 7 Principles of Economics.docx

2.3.3 Practice - Planning to Learn More (Practice) .pdf

LIS 697-10 Syllabus Fall 2012 - Sula - Info Vis.pdf