Q: List three additional entities that might appear in an enterprise data model
List three additional entities that might appear in an enterprise data model for Pine Valley Furniture Company.
See AnswerQ: Add minimum and maximum cardinality notation to each of the following figures
Add minimum and maximum cardinality notation to each of the following figures, as appropriate: a. Figure 2-5 b. Figure 2-10a c. Figure 2-12 (all parts) d. Figure 2-13c e. Figure 2-14 Data from Figure...
See AnswerQ: The Is Married To relationship would seem to have an obvious answer
The Is Married To relationship would seem to have an obvious answer in Problem and Exercise 2-33d—that is, until time plays a role in modeling data. Draw a data model for the PERSON...
See AnswerQ: Figure 2-27 represents members of a library issuing books and
Figure 2-27 represents members of a library issuing books and returning them to the library. The members can be students, staff, or faculty, and their details are stored in the Member entity. A member...
See AnswerQ: Figure 2-28 shows two diagrams (A and B),
Figure 2-28 shows two diagrams (A and B), both of which are legitimate ways to represent that a stock has a history of many prices. Which of the two diagrams do you consider a better way to model this...
See AnswerQ: Modify Figure 2-11b to model the following additional information requirements
Modify Figure 2-11b to model the following additional information requirements: The training director decides for each employee who completes each class, what course, if any, that employee should take...
See AnswerQ: Review Figure 2-8 and Figure 2-22.
Review Figure 2-8 and Figure 2-22. a. Identify any attributes in Figure 2-22 that might be composite attributes but are not shown that way. Justify your suggestions. Redraw the ERD to reflect any chan...
See AnswerQ: Draw an ERD for each of the following situations. (If
Draw an ERD for each of the following situations. (If you believe that you need to make additional assumptions, clearly state them for each situation.) Draw the same situation using the tool you have...
See AnswerQ: Star Hoist is owned by Darth and his wife Ella Vader.
Star Hoist is owned by Darth and his wife Ella Vader. The company has had its ups and downs since Darth and Ella built it from the ground up several years ago. The company had some initial difficultie...
See AnswerQ: The management department at Scholars University holds workshops annually in collaboration with
The management department at Scholars University holds workshops annually in collaboration with two other universities. The department wishes to create a database with the following entities and attri...
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