Question: Consider a relation R ( P , C 1 , C 2 , x ) . P is the primary key while ( C 1

Consider a relation R(P,C1,C2,x).P is the primary key while (C1,C2) is another candidate key.
a. If it is known that the relation is in 3NF then is there any FD possible for this relation in which none of P,C1,C2 determines some attribute. Explain.
[1 Mark]
b. If it is known that the relation is in BCNF then is there any FD possible for this relation in which none of P,C1,C2 determines some attribute. Explain.
[1 Mark]
Consider a relation R(P,C1,C2,x).P is the primary key while (C1,C2) is

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:

Let X = {1, 2, 3, 4 }. Consider the relation R on X, R = {(2, 2), (2, 3), (2, 4), (3, 2), (3, 3), (3, 4) }. Which of the following statements about R is TRUE? Select one: O a. R is reflexive and...

Q:

Exercise 11 Sets and maps 1. Determine which of the following is a map: (a) : N-+ N, defined by p ( 20 ) = 1 1, 2 x = 1, 2 + 2 a > 1. (b) 2 : R -+ R, defined by (x ) = 12+2 2 = 1, x # 1. (c) w : C-+...

Q:

can you help me with 3,4,5,6. Exercise 11 Sets and maps 1. Determine which of the following is a map: (a) : N-+ N, defined by p ( 20 ) = 1 1, 2 x = 1, 2 + 2 a > 1. (b) 2 : R -+ R, defined by (x ) =...

Q:

Hello I don't think the answers I got were correct for the paper. For instance, the second question obviously have an answer of A by the distributive and implication law. But the tutor gave an answer...

Q:

What is the article about explain the main theme or concept of the article EBSCOhost The Americans With Disabilities Act as Engine of Social Change: Models of Disability and the Potential of a Civil...

Q:

I need with these problems/exercises listed below (chapters attached). You must use the chapters to fill out the guidance report which is attached. Using the data for March/April Column. Chapter...

Q:

I need with these problems/exercises listed below (chapters attached). You must use the chapters to fill out the guidance report which is attached. Using the data for March/April Column. Chapter...

Q:

Group: PERON A+ PERSON B +PERSON C 1- Introduction 2- Literature a. Definition of operation management b. Definition of operation strategy and why it is important c. Components of operations strategy...

Q:

1. Texas Roadhouse (TXRH) is rapidly expanding into new markets and had sales of $1,263M in 2012. Suppose you expect sales to grow at a 15% rate in 2013, but this rate will slow by 2% per year to a...

Q:

Question 1. Consider a relation R (A, B, C, D, E) with the following functional dependency set F = {AB -> C, CD -> E, DE -> B} [ Read an f.d XY -> Z as {X, Y} -> {Z} where X, Y, and Z are atomic...

Q:

3. What are three challenges to sustaining a particular value discipline and provide an example of a company that has exhibited signs of struggling with these challenges. 1. What do you know (or can...

Q:

Suppose a manager has already estimated a projects cash flows, calculated its NPV, and done a sensitivity analysis like the one shown in Table. List the additional steps required to carry out a Monte...

Q:

Which organization was developed to guarantee mortgage backed securities based on pools of VA FHA and Rural Housing Service Loans rather than issue buy or sell mortgages

Q:

On 1 November 2016 Josie entered into a contract of purchase and sale with Mike for the purchase of Mike's second hand computer at a purchase price of N$500.00. Answer the following questions,...

Q:

12-1 What are the different types of decisions, and how does the decision-making process work?

Q:

12-3 How do business intelligence and business analytics support decision making?

Q:

12-7 How much can business intelligence and business analytics help companies refine their business strategy? Explain your answer.