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Engineering · Computer Science
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1-Review only question 6

2-Do entity relationship Diagram

optional role Review Questions 1. Define the term 2 What is the purpose of brea 3. Under what circumst user view as it applies to database design pose of breaking down the overall design problem into a consideration of indivi ances would you not need to break down an overall design into a considerat eps and briefly describe the kinds of activities that must take place at ea required to support the following requirements. Complete the infor of indivo user views d in this chapter contains steps that must be repea The information-level design method presente user view. List the steps and briefly d Describe the function of each of t and foreign he following types of keys: primary, alternate, secondary 6. A database at a college is nat stau for this set of requirements. Use your own experience to determine any constraints you need in the problem. Represent the answer in DBDL For a department, store its number and name. b. For r an advisor, store his or her number and name and the number of the department to which he assigned a course, store its code and description (for example, MTH110 or Algebra) a student, store his or her number and name. For each course the student has taken e code, course description, and grade received. In addition, store the number and n c. For d. For , store ame of the cours students advisor. Assume that an advisor has just one advisor may advise any number of students but that each student List the changes you would need to make in your answer to Question 7 if a student could have more than ore advisor 8. Suppose in addition to the requirements specified in Question 7, you must store the number of the deparmen in which the student is majoring. Indicate the changes this would cause in the design in the following two situations a. The student must be assigned an advisor who is in the department in which the student is majoring b. The students advisor does not necessarily have to be in the department in which the student is maş the different ways of implementing one-to-one relationships. Assume vou are maintaining infom 9. Describe

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