Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Computer Engineering Expert

Question :

Suppose that P(A, B, C), Q(A, C), R(B) are relations such that P contains 6 tuples, Q contains 2 tuples and R contains 3 tuples.

Find the maximum possible number of tuples in the relation (P * Q) R, where '* ' is the symbol tor the natural join and ' ' the symbol for the division operation.

Give an example of relations P, Q, R with concrete values.

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M93129508

Have any Question?


Related Questions in Computer Engineering

Susans special sauces is a company that produces a variety

Susan's Special Sauces is a company that produces a variety of condiments, salad dressings and sauces. Susan, the company owner, wants to distribute her product overseas and recently purchased a building on the outskirts ...

Suppose that you have a singly-linked list l containing the

Suppose that you have a singly-linked list L containing the sequence of numbers (1,2,3,4,5,6,7,8,9). Suppose further that you have an initially empty stack S. i) Give a pseudo-code description of a method that uses only ...

Question what are the requirements for dfs what are

Question : What are the requirements for DFS? What are benefits of using DFS? What are the shortcomings and limitations? The response must be typed, single spaced, must be in times new roman font (size 12) and must follo ...

Jason who is very knowledgeable regarding computers agrees

Jason, who is very knowledgeable regarding computers, agrees to purchase computers for Nick's business. Jason is retained for that purpose only, he is paid a set rate for the job, and Nick exercised no control over the m ...

Penetration testing is a technique used to identify

Penetration testing is a technique used to identify security weaknesses in your network. Discuss a type of penetration testing and the different methods utilized to recognize vulnerabilities in your network.

What to do sort an array of single digit positive integers

What to do: Sort an array of single digit positive integers in LC-3 assembler - program will prompt user to enter a single digit integer. Non-negative values are accepted, with a zero entered to terminate input - the pro ...

What does the super keyword represents and where can it be

What does the super keyword represents and where can it be used? Give an example of a superclass and subclass. Be sure to make all the instances variables of the super class private. Include at least one constructor in e ...

1 a consumer has 300 to spend on goods x and y the market

1. A consumer has $300 to spend on goods X and Y. The market prices of these two goods are Px $15 and Py $5. a. What is the market rate of substitution between goods X and Y? b. Show how the consumer's opportunity set ch ...

Question suppose that someone tells you that an attribute

Question : Suppose that someone tells you that an attribute that is part of a composite primary key is also a candidate key. How would you respond to that statement? Explain.

Symbolic mathematicsa thick-walled cylindrical tubing of

(symbolic Mathematics): A thick-walled cylindrical tubing of hard rubber having an inside radius of 5mm and an outside radius of 20 mm is being used as a temporary cooling coil in a bath. Ice water is flowing rapidly ins ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As