Question: Suppose you are given a relation R = { A , B , C , D } . Further, the following Functional Dependencies that hold

Suppose you are given a relation R={A,B,C,D}. Further, the following Functional
Dependencies that hold on R are F={AB,BCD,AC,AD}.
a. Identify the highest normal form that R satisfies (1NF,2NF,3NF, and BCNF). Explain your answer.
b. If R is not in BCNF, decompose it into a set of BCNF relations.
Suppose you are given a relation R={A,B,C,D}. Further, the following Functional

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

a) (5p) Suppose, you are given a relation R=(X, Y, Z, W, Q) with the following functional dependencies: {YZ-XWQ, WY, Z-Q) Find the best normal form that R satisfies (1NF, 2NF, 3NF, or BCNF). Explain...

Q:

5(10pt). Suppose you have the following 4 tuples in the relation R. Which of the following functional dependencies hold over relation S? 2 3 4 4. a) AC b) B C e) BCA

Q:

Define decomposition. Suppose you are given a relation R (A, B, C) RI (A, B) R2 (B, C) 1 1 1 1 1 1 1 2 1 2 21 1 2 3 2 1 3 2 2 1 4 3 2 4 3 3 2 Is this relation lossless join decomposition? Justify your

Q:

Suppose you are given a relation R ( A , B , C , D , E ) . Consider the following sets of FDs: { A BC , BC DE , CD AD } ( 5 points ) What is the highest normal form of this relation ( Briefly justify...

Q:

Insert anomaly means the inability to create a new record due to the absence of other data (2 points) True False 2 Specialization S: S = {V1, V2, ..., vn) is a set of subclasses with the same...

Q:

COMP 3 2 7 8 Introduction to Database Management Systems Assignment 3 - Relational Algebra, Functional Dependency & BCNF Q 1 Consider the following relational tables of FoodWonder, an online food...

Q:

COMP 3 2 7 8 Introduction to Database Management Systems Assignment 3 - Relational Algebra, Functional Dependency & BCNF Q 1 Consider the following relational tables of FoodWonder, an online food...

Q:

12 Given the relation R R(A, B, C, D, E, F, G, H, I, J) and the following set of functional dependencies FDs: AB --> B --> EF AD --> GH G-> What is the key for R?* 12 Points) De 13 Given the relation...

Q:

2. Given the relation R (A, B, C, D, E) and the following set of functional dependencies: F = {ABC, AE, BD, C>B} a. Specify the key of R. b. Is R in the 3NF? If not give a decomposition of R that is...

Q:

answer 10 Given a relation R (A, B, C, D, E, F, G, H, 1) which is in 3NF. The primary key is a composite key of two attributes A and B. Which of the following functional dependencies must be FALSE?...

Q:

Let f(x) = y = 4 - 3 (a) Find f'(5) = (b) Use your answer from (a) to find the equation of the tangent line to the curve y = f(x) at the point (5,2). M M

Q:

If electricity power failures occur in a particular industry according to Poisson distribution with an average of 15 failures every week, calculate the probability that there will not be more than 2...

Q:

What are effects of a cut in the payroll tax?

Q:

The Sisyphean Company has a bond outstanding with a face value of $5,000 that reaches maturity in 9 years. The bond certificate indicates that the stated coupon rate for this bond is 8.8% and that...

Q:

Consider the redundancy scheme set out in Table 4.6. Make a list of the diffi culties that could be raised by employees, the problems that could be faced in practice and how you would sell the scheme...

Q:

Automatic telephone screening (case study 3.1) helps to reduce the exclusion of those over 50. Has it any other advantages for minority groups?

Q:

How objective is an interview? What makes is more objective? What makes it less objective? Should it be regarded as the fi rst part of a programme to socialise an applicant into the organisation? Or...