Question: 1. Find all candidate keys for relation R(ABCDE). Following functional depen- dencies exist in relation R: AB, BC E, ED A 2. Given relation

1. Find all candidate keys for relation R(ABCDE). Following functional depen- dencies exist in relation R:

1. Find all candidate keys for relation R(ABCDE). Following functional depen- dencies exist in relation R: AB, BC E, ED A 2. Given relation R(ABCDEF) and following functional dependencies: F = {A BC, E ABC, F CD, CD BEF} Determine all candidate keys! 3. Given two sets of functional dependencies: AB, AC, CD E, B D ABC, AD E, DBB, A D

Step by Step Solution

★★★★★

3.32 Rating (152 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Here are the solutions for each part 1 Finding candidate keys for relation RABCDE Functional dependencies A B BC E ED A Candidate keys AC and BD Expla... View full answer

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 Programming Questions!

Problem 1: Fields Company has two manufacturing departments, Forming and Painting. The company uses the weighted average method and it reports the following unit data for the Forming department....

Assignment Content To objective of this task is to help VinFast to figure out the Marketing Mix in Canada. Please write a 5-question (max) survey for your VinFast project. You DO NOT need to collect...

Project the 2 4-1 IV design in Example 8-1 into two replicates of a 2 2 design in the factors A and B. Analyze the data and thaw conclusions. Example 8-1: Consider the filtration rate experiment in...

How would you describe in a few sentences the key differences between neoclassical, Keynesian and Marxist approaches to the problem of income inequality? Which do you think is the most likely to be...

Consider an relation of R(A, B, C, D, E, F), with a set of functional dependencies F= E D, CB, CEF, BA, please answer the following questions: 1. Find all candidate keys (i.e., minimal keys) of...

2. Consider the following set of functional dependencies on the relation schema R - (A, B, C, D, E, F, G): ABCD a) Compute BG+ GA GF CE F b) Find the candidate keys for R c) Remove extraneous...

Solve exercise 19.7 from R & G: Suppose you are given a relation R with four attributes ABCD. For each of the following sets of FDs, assuming those are the only dependencies that hold for R, do the...

//Database Management //Answer part 1,2,3,4,5,6 //Part 1 Consider a relation R with attributes ABCDE. You are given the following dependencies B -> C, D -> C, AE -> D. Attribute closure of A?...

Which one is correct w . r . t . RDBMS ? primary key super key candidate key primary key candidate key super key super key candidate key primary key super key primary key candidate key The relation...

//Database Management //Part 1 of 2 Suppose you are given a relation R(A, B, C, D). For each of the following sets of FDs, assume they are the only dependencies that hold for R. Do the following: a)...

Kamal is starting a new business in 2006, which will operate as an S corporation. This means that income earned by the corporation will be reported by shareholders even if they do not receive...

1 The below table shows a machine-part matrix. Part No. 1 2 3 4 5 1 1 1 1 2 1 1 Machine 3 1 1 1 4 1 1 1 1 1.1 Use direct clustering algorithm to form cells for the above machine-part matrix. 1.2...

Let H ( s ) = 8 s ( s 2 9 2 ) ( s 2 2 ) . Use the convolution approach to find h ( t ) . 1

Identify any structures below that represent the constitutional isomer of the compound shown above. Select all that apply. H-C HCI HCH HI I HI I HCH HIDII C-H

How effective do you think PepsiCo has been in responding to stakeholder concerns about nutrition and sustainability?

Write a program that converts kilograms to pounds and vice versa. Your program should ask the user to input one of the following: a number followed by k a number followed by l The k and l represent...

Liquidity ratios measure a company's short-term ability to pay its maturing obligations and to meet unexpected needs for cash. Which of the following is not a liquidity ratio? acid-test ratio return...

Read the case study DCS Sanitation Management v. Eloy Castillo and answer the question and Was the hiring of DCS employees by Packers ethical?

To say that an investor is "risk-averse" means that the investor:Group of answer choicesWill only buy U.S. government securities.Is willing to pay to assume additional risk.The investor requires more...

What are the different approaches to recognizing objects in images?

(a) Discuss the correspondences between the ER model constructs and the relational model constructs. Show how each ER model construct can be mapped to the relational model and discuss any alternative...

What is search relevance? How is it determined?

=+42. On a construction site, subcontractor A is responsible for completing the structural frame of a building. When this task is complete, subcontractor B then begins the task of installing...

=+43. Let x be the cost ($) of an appetizer and y be the cost of a main course at a certain restaurant for a customer who orders both courses. Suppose that x and y have the following joint...

=+c. The exam administrators want to make sure that there is a very small chance, say, 1%, that a person who is guessing will pass the test. What minimum passing score should they allow on the exam...