In Chapter 7, you developed a use case diagram, a fully developed use case description, and a system sequence diagram for the use cases add a seller and Record a book order. In Chapter 11 you developed a first cut DCD and a set of CRC cards. Based on those solutions or others provided by your teacher, and the problem domain class diagram in Figure 12-44, develop a first-cut communication diagram for the problem domain classes. Next, add view layer and data access layer objects to the communication diagram. Convert the domain class diagram to a design class diagram by typing the attributes and adding methodsignatures.
Answer to relevant QuestionsThis chapter presented the solutions for the Cancel an order use cases. It also presented a partial solution for Create new phone order. Complete the solution for the Create new phone order use case by adding view and data ...List four different types of database models and DBMSs. Which are in common uses today?What is referential integrity? Describe how it is enforced when a new foreign key value is created, when a row containing a primary key is deleted, and when a primary key value is changed.How is a many-to-many relationship without attributes represented in an object database?What additional database management complexities are introduced when database contents are replicated in multiple locations?
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