Consider the universal relation R = {A, B, C, D, E, F, G, H, I} and the

Question:

Consider the universal relation R = {A, B, C, D, E, F, G, H, I} and the set of functional dependencies F = { {A, B} -> {C}, {A} -> {D, E}, {B} -> {F}, {F} -> {G, H}, {D} -> {I, J} }. What is the key for R? Decompose R into 2NF, then 3NF relations.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Database Systems

ISBN: 978-0136086208

6th edition

Authors: Ramez Elmasri, Shamkant Navathe

See More Books

Question Posted: Apr 26, 2016 08:19 AM

See More Questions

Consider the universal relation schema INVENTORY (Store#, Item, Vendor, Date, Cost, Units, Manager, Price, Sale, Size, Color, Location) and the constraint set F {fd1, fd2, fd3, fd4, fd5, fd6, fd7}...
Consider the universal relation schema INVENTORY (Store#, Item, Vendor, Date, Cost, Units, Manager, Price, Sale, Size, Color, Location) and the constraint set F {fd1, fd2, fd3, fd4, fd5, fd6, fd7}...
Consider the universal relation schema STOCK (Symbol, Company, Exchange, Investor, Date, Price, Broker, Dividend) and the following dependencies set: fd: Symbol {Company, Exchange, Dividend} mvd:...
2. The long-term loan from World Bank had been taken out on 1 April 2018 to fund the company. According to the loan agreement, five annual installments of R36 000 are to be paid each year commencing...
A manufacturing company sells its products directly to customers and operates 5 days a week, 52 weeks a year. The production department of this company can produce at the rate of 60 units per day....
What is the total yearly gross profit shown on the Consolidated Gross Profit Statement report after the adjusting entries are made?
Long-term records from the Serengeti National Park in Tanzania show interesting ecological relationships. When wildebeest are more abundant, they graze the grass more heavily, so there are fewer...
You have run a capacity resource profile on your shop. Products have been routed sequentially through resources A, B, C, and D. The capacity resource profile tells you that resource A is scheduled at...
Question 3 (6 points) Listen XYZ Company is considering purchasing an asset for $100,000 that has a 5-year useful life and a $20,000 salvage value. Double declining balance depreciation will be used....
XYZ is a calendar-year corporation that began business on January 1, 2017. For 2017, it reported the following information in its current year audited income statement. Notes with important tax...
Prove that any relation schema with two attributes is in BCNF.
Consider the relation R, which has attributes that hold schedules of courses and sections at a university; R = {CourseNo, SecNo, OfferingDept, CreditHours, CourseLevel, InstructorSSN, Semester, Year,...
1. Analyze Meredith's marketing information system. What are its strengths and weaknesses? 2. Can impersonal data points really result in meaningful relationships? Explain. 3. Does Meredith's...
The State of Confusion Legislature passes the following statute: "The State Health Commissioner, when in their opinion, there is sufficient covid - 1 9 vaccine that has been approved by the Federal...
Case 1 Baum Co. has two processing departments: Fabrication and Assembly. In the Fabrication Department, metal is cut and formed into various components, which are then transferred to Assembly. The...
Your earlier Personal Leadership Assessment, you looked at two areas of your leadership experience, those who led you and those you led. You will again address these two items in your Personal...
What is required in this situation: Content slides explaining the qualitative and quantitative steps necessary in conducting a sensitivity analysis. How can a project's risk be incorporated into a...
What is "marketing"? What is the difference between "marketing" and the "marketing process"?is it different in your home country vs. North america? Q2. What is the difference between "demand",...
A perpetual motion machine of the first kind generates more energy than it uses. Explain why this violates the first law of thermodynamics.
Use translations to graph f. f(x) = x-/2 +1
How are outer join and nonequi-join implemented?
What is the iterator concept? What methods are part of an iterator?
What are the three types of parallel architectures applicable to database systems? Which one is most commonly used?
Problem 1 5 - 5 ( Algo ) Lessee; operating lease; advance payment; leasehold improvement [ L 0 1 5 - 4 ] On January 1 , 2 0 2 4 , Winn Heat Transfer leased office space under a three - year operating...
Zafra and Stephanie formed an equal profit- sharing O&S Partnership during the current year, with Zafra contributing $100,000 in cash and Stephanie contributing land (basis of $60,000, fair market...
What is the Breakeven Point in units assuming a product selling price is $100, Fixed Costs are $8,000, Variable Costs are $20, and Operating Income is $32,000 ? 100 units 300 units 400 units 500 units

Consider the universal relation R = {A, B, C, D, E, F, G, H, I} and the

Question:

Step by Step Answer:

A minimal set of attributes whose closure includes all the attributes in R is a key One can also app...View the full answer

Fundamentals of Database Systems

Students also viewed these Computer Sciences questions