Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Sep 06, 2024

where x , y , z are attributes, Itrue or false: f { x } is a superkey, then any set containing x is also

where x

,

,

z are attributes, Itrue or false: f

{

}

is a superkey, then any set containing x is also a superkey.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

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

Step: 2

Step: 3

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

Data And Databases

Authors: Jeff Mapua

1st Edition

1978502257, 978-1978502253

More Books

Students also viewed these Databases questions

Question

★★★★★

The golf professional at a private course claims that members who have taken lessons from him lowered their handicap by more than five strokes. The club manager decides to test the claim by randomly...

Answered: 1 week ago

Question

★★★★★

2) (50 points) Assurance Inc. conducts a market research, which reveals that its market size is of 25% relative importance and the attractiveness rating of this factor is 70 (i.e., attractive). It...

Answered: 1 week ago

Question

★★★★★

9. What is superstitious behavior and how does it relate to preperformance routines?

Answered: 1 week ago

Question

★★★★★

How does an organization's product mix relate to its development of a product line? When should an enterprise add depth to its product line rather than width to its product mix?

Answered: 1 week ago

Question

★★★★★

which of the following is correct regarding eligibility for the california auto assigned risk program

Answered: 1 week ago

Question

★★★★★

Managerial economics. Direction: Label the picture in accordance with the type of market structure it depicts. Use your assignment as your guide. 25 SOAP ETT RICEB. Fill in the 3 key words that best...

Answered: 1 week ago

Question

★★★★★

Define each of the five (5) elements in the digital ecosystem / architecture (platform, owner, providers, producers, consumers) 2) Apply the Digital, Automation & Autonomy, Smart (DAS) created by...

Answered: 1 week ago

Question

★★★★★

In 2011, NASA's space shuttle program in Florida came to an end and there was a span of time before the next space program started. Which of these most likely happened during the gap after the space...

Answered: 1 week ago

Question

★★★★★

Develop a staff schedule between the hours of 9 a.m. and 8 p.m. for week 8, which had 587 visits (see the worksheet Hudson Jeweler Demand Case Data in MindTap). Assume the maximum service rate is ten...

Answered: 1 week ago

Question

★★★★★

You migrate the Sales department in France to Teams Phone. Users in the Sales department report that when they dial a local French phone number from their Teams client, the United States country code...

Answered: 1 week ago

Question

★★★★★

Kris will receive $800 a month for the next five years from an insurance settlement. The interest rate is 4%, compounded monthly, for the first two years and 5%, compounded monthly, for the final...

Answered: 1 week ago

Question

★★★★★

Recruitment. With an emphasis on specialized skills and the possibilities of enhancing qualifications within the company through further training, recruitment is often first through internal sourcing...

Answered: 1 week ago

Question

★★★★★

An emphasis on Technik as both means and ends. The importance of engineering knowledge and craft skills that go into production is evidenced by the high standing of engineers in society and in...

Answered: 1 week ago

Question

★★★★★

Reward systems. Wage levels are complex and involve issues of wage fairness with principles laid down in collective wage agreements, labourmanagement agreements and individual contracts of...

Answered: 1 week ago

Previous Question Next Question