In Chapter 7, you developed a use case diagram, a fully developed use case description or activity diagram, and a system sequence diagram for the real estate company’s use cases. In Chapter 11, you developed a three-layer design and a set of CRC cards for a particular use case. Based on those solutions or others provided by your teacher, develop a first-cut sequence diagram for the problem domain classes. Next, add view layer and data access layer objects to the sequence diagram. Convert the domain class diagram to a design class diagram by typing the attributes and adding method signatures.
Answer to relevant QuestionsIn Chapter 7, you developed a use case diagram, a fully developed use case description, a system sequence diagram, and a state chart for the use cases Recording a traffic ticket and Scheduling a court date. In Chapter 11 you ...List the components of a DBMS and describe the function of each.What is a foreign key? Why are foreign keys used or required in a relational database? Are duplicate foreign key values allowed? Why or why not?What is the difference between a persistent class and a transient class? Provide at least one example of each class type.What are the advantages of having an RDBMS provide complex data types?
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