FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

For a relation schema (, , ) consider the following set of functional dependencies. = { , , , , , , , , }

For a relation schema (, , ) consider the following set of functional dependencies.

= { , , , , , , , , }

  1. Using the functional dependencies compute the minimal cover F. Give each step of your derivation with an explanation.
  2. Show that there can be more than one minimal cover for a given set of functional dependencies. Give each step of your derivation with an explanation.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Advances In Spatial Databases 2nd Symposium Ssd 91 Zurich Switzerland August 1991 Proceedings Lncs 525

Advances In Spatial Databases 2nd Symposium Ssd 91 Zurich Switzerland August 1991 Proceedings Lncs 525

Authors: Oliver Gunther ,Hans-Jorg Schek

1st Edition

3540544143, 978-3540544142

More Books

Students also viewed these Databases questions

Question

★★★★★
What management skills did Jack demonstrate as a marketing manager at the travel products company? What management skills did he demonstrate as a VP at the consumer products firm?

Answered: 1 week ago

Question

★★★★★
def prob _ 3 9 5 ( purchase _ decisions ) : price = 4 . 2 5 std _ dev = 0 . 3 7 initial _ prob _ 3 9 5 = 0 . 4 initial _ prob _ 4 0 5 = 0 . 6 mean _ 3 9 5 = 3 . 9 5 mean _ 4 0 5 = 4 . 0 5 likelihood...

Answered: 1 week ago

Question

★★★★★
Taxes during the fourteenth century were very progressive. The 1377 poll tax on the Duke of Lancaster was 520 times that on a peasant. A poll tax is a lump-sum (fixed amount) tax per person, which is...

Answered: 1 week ago

Question

★★★★★
Stately Corporation is preparing its cash payments budget for next month. The following information pertains to the cash payments: a. Stately Corporation pays for 55% of its direct materials...

Answered: 1 week ago

Question

★★★★★
For a relation schema (, , ) consider the following set of functional dependencies. = { , , , , , , , , } Using the functional dependencies compute the minimal cover F. Give each step of your...

Answered: 1 week ago

Question

★★★★★
In february 2022, pietra accquired a new automobile for $82,000 and used the automobile 80% for business. In 2023 her business use of the auto was 70%. Pietra's depreciation deduction for 2023 will...

Answered: 1 week ago

Question

★★★★★
Question: In Java, what is the effect of the static keyword when used in the context of a class variable? A) It ensures that the variable is shared among all instances of the class, and it is...

Answered: 1 week ago

Question

★★★★★
Question: What is the significance of the transient keyword in Java? A) It prevents the variable from being serialized during the serialization process. B) It makes the variable immutable, so its...

Answered: 1 week ago

Question

★★★★★
Question : What is the effect of the volatile keyword in Java when applied to a variable? A) It ensures that the variable is not cached and its latest value is always read from main memory. B) It...

Answered: 1 week ago

Question

★★★★★
What does the abbreviation 'Ab' stand for in the medical professions? What does the abbreviation 'Abd' stand for in nursing? What does the abbreviation 'ABG' stand for in the medical world? What does...

Answered: 1 week ago

Question

★★★★★
5-17 Allowing employees use their own smartphones for work will save the company money. Do you agree? Why or why not? Just about everyone who has a smartphone wants to be able to bring it to work and...

Answered: 1 week ago

Question

★★★★★
5-18 What are the distinguishing characteristics of cloud computing and what are the three types of cloud services?

Answered: 1 week ago

Question

★★★★★
5-15 What management, organization, and technology factors should be addressed when deciding whether to allow employees to use their personal smartphones for work? Just about everyone who has a...

Answered: 1 week ago

Previous Question Next Question