Computers and Technology, 09.12.2021 04:50 lizdeleon248

For any relation R, if, for every valid instance of A, that value of A uniquely determines the value of B: A. then a primary dependency exists in the relation. B. then A is said to be functionally dependent on B. C. then B is said to be functionally dependent on A. D. then A and B are candidate keys for the relation. E. None of these are true.

Answers: 1

Show answers

Other questions on the subject: Computers and Technology

Computers and Technology, 22.06.2019 09:00, 19elbatawisaly

What is one way in which tablets differ from laptops and notebooks? tablets are designed for touch-based interaction. tablets are designed to be used as desktops. tablets are designed for input via a keyboard and mouse. tablets are designed to be larger than laptops.

Answers: 1

continue

Computers and Technology, 23.06.2019 07:00, bskyeb14579

Why is investing in a mutual fund less risky than investing in a particular company's stock? a. mutual funds only invest in blue-chip stocks. b. investments in mutual funds are more liquid. c. mutual funds hold a diversified portfolio of stocks. d. investments in mutual funds offer a higher rate of return.

Answers: 2

continue

Computers and Technology, 23.06.2019 23:30, ayjahj

What can you prevent issues related to downloading content form the internet

Answers: 1

continue

Computers and Technology, 24.06.2019 04:30, andrespacheco5888

Which of the following terms refers to a collection of different types of software that share the goal of infiltrating a computer and making it do something? a- malware b- virus c- spyware d- trojan horse

Answers: 2

continue

You know the right answer?

For any relation R, if, for every valid instance of A, that value of A uniquely determines the value...