Concepts of database management 7 edition chapter 6 review questions

Concepts of Database Management 7 Edition
Chapter 6 Review Questions
7.) A database at a college is required to support the following requirements. Complete the information-level design for this set of requirements. Use your own experience to determine any constraints you need that are not stated in the problem. Represent the answer in DBDL.
a.) For the department, store its number and name.
b.) For an advisor. store his or her number and name and the number of the department to which he or she is assigned.
c.) For a course, store it code an d description.
d.) For a student, store his or her number and name. For each course the student has taken, store the course code, course description, and grade received. In addition, store the number and name of each student’s advisor. Assume that an advisor may advise any number of students but that each student has only one advisor.
8.) List the changes you would need to make in your answer to question 7 if a student could have more than one advisor.
10.) Illustrate the physical-level design process by means of the design shown in Question 7. List the tables and identify the keys, and list the special restrictions that the program must enforce.
12.) Design a survey form of your own. Fill it out as it might have been completed during the database design for Premiere Products. For any questions you have too little information to answer, make a reasonable guess.
14.) Describe the different ways of implementing the one-to-one relationships. Assume you are maintaining information on office (office number, buildings, and phone numbers) and faculty (numbers and names). No office houses more than one faculty member; no faculty member is assigned more than one office. Illustrate the ways of implementing one-to-one relationships using offices and faculty. Which option would be best in each of the following situations?
a.) A faculty member must have an office, and each office must be occupied by a faculty member.
b.) A faculty member must have an office, but some offices are not currently occupied. You must maintain information about the unoccupied offices in an Office relation.
c.) Some faculty members do not have an office, but all offices are occupied.
d.) Some faculty members do not have an office, but some offices are not occupied.
16.) Describe the relationship between columns that can be null and entity subtypes. Under what circumstances would these columns lead to more than one entity subtype?
18.) Describe the entity-relationship model. How are entities, relationships, and attributes represented in this model? What is a composite entity? Describe the approach to diagrams that uses a crow’s foot. Describe how you would represent cardinality in an E-R diagram?

Order a unique copy of this paper
(550 words)

Approximate price: $22

Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

We value our customers and so we ensure that what we do is 100% original..
With us you are guaranteed of quality work done by our qualified experts.Your information and everything that you do with us is kept completely confidential.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

The Product ordered is guaranteed to be original. Orders are checked by the most advanced anti-plagiarism software in the market to assure that the Product is 100% original. The Company has a zero tolerance policy for plagiarism.

Read more

Free-revision policy

The Free Revision policy is a courtesy service that the Company provides to help ensure Customer’s total satisfaction with the completed Order. To receive free revision the Company requires that the Customer provide the request within fourteen (14) days from the first completion date and within a period of thirty (30) days for dissertations.

Read more

Privacy policy

The Company is committed to protect the privacy of the Customer and it will never resell or share any of Customer’s personal information, including credit card data, with any third party. All the online transactions are processed through the secure and reliable online payment systems.

Read more

Fair-cooperation guarantee

By placing an order with us, you agree to the service we provide. We will endear to do all that it takes to deliver a comprehensive paper as per your requirements. We also count on your cooperation to ensure that we deliver on this mandate.

Read more

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency