What constraints do the partial key and the identifying relationship of the weak entity type specify in this diagram? Archives

Discussion Questions 1&2

July 11, 2021
Titus Kasyoki
Guides
Discuss the characteristics of relations that make them different from ordinary tables and files., Is there a weak entity type? If so give its name its partial key and its identifying relationship., List the names of all relationship types and specify the (min max) constraint on each participation of an entity type in a relationship type. Justify your choices., List the strong (nonweak) entity types in the ER diagram, What constraints do the partial key and the identifying relationship of the weak entity type specify in this diagram?

Discussion 1: Create a discussion thread (with your name) and answer the following question(s): (Chapter 3): Discussion Questions 1&2 Consider the ER diagram shown in Figure 3.22 for part…

Tag: What constraints do the partial key and the identifying relationship of the weak entity type specify in this diagram?

Discussion Questions 1&2