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

Question

1 Approved Answer

Consider a key K that uniquely identifies any row in a table. Now consider the set of tuples {K1, K2... Kn), such that each K;

image text in transcribed
Consider a key K that uniquely identifies any row in a table. Now consider the set of tuples {K1, K2... Kn), such that each K; is formed by taking away one attributed from K. If none of the tuples K; for i = 1..n is a key, then K must be a candidate key. True False

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_2

Step: 3

blur-text-image_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

Database Systems An Application Oriented Approach Complete Version

Database Systems An Application Oriented Approach Complete Version

Authors: Michael Kifer, Arthur Bernstein, Richard Lewis

2nd Edition

0321268458, 978-0321268457

Students also viewed these Databases questions

Question

★★★★★
Suppose that the owner of Boyer Construction is feeling the pinch of increased premiums associated with workers compensation and has decided to cut the wages of its two employees (Albert and Sid)...

Answered: 1 week ago

Question

★★★★★
=+5. Is this a collaborative approach to change? Discuss.

Answered: 1 week ago

Question

★★★★★
How can entrepreneurial ventures avoid legal disputes?

Answered: 1 week ago

Question

★★★★★
Washburn University sells 3,500 season basketball tickets at $80 each for its 10-game home schedule. Give the entry to record (a) The sale of the season tickets and (b) The revenue recognized after...

Answered: 1 week ago

Question

★★★★★
Consider a key K that uniquely identifies any row in a table. Now consider the set of tuples {K1, K2... Kn), such that each K; is formed by taking away one attributed from K. If none of the tuples K;...

Answered: 1 week ago

Question

★★★★★
Select the statements that are true considering the output of the command below: \ table [ [ tcp , 0 , 0 , 0 . 0 . 0 . 0 : 2 2 , 0 . 0 . 0 . 0 : * * * , LISTEN ] , [ tcp , 0 , 0 1 2 7 . 0 . 0 . 5 3 :...

Answered: 1 week ago

Question

★★★★★
Problem 5 ABS Manufacturing had the following production for the month of July: Units Work in process at July 1 10,000 Started during July 40,000 Completed and transferred to finished goods 33,000...

Answered: 1 week ago

Question

★★★★★
Harper Products signed a contract with Cranmore Manufacturing to design, develop, and produce a specialized plastic molding machine for its factory operations. The machine is not currently sold to...

Answered: 1 week ago

Question

★★★★★
You acquired 5 long futures contracts for oil. The standard contract size is 1,000 barrels. The agreed strike price is P110,000 per barrel to be delivered one month from now. The current price of a...

Answered: 1 week ago

Question

★★★★★
a. Merck's common shares i. Merck is authorized to issue 5,400,000,000 shares of common stock. ii. As of December 31, 2007, Merck had issued 2,983,508,675 shares of common stock. iii. The common...

Answered: 1 week ago

Question

★★★★★
B Assignment 1.5 Exercises D E F G H J K 5 Points Problem 8: Cash Flow Statement Balance Sheets and an Income Statement for Whistler Corporation are provided below (in $ thousands): Whistler...

Answered: 1 week ago

Question

★★★★★
Why do HCMSs exist? Do they change over time?

Answered: 1 week ago

Question

★★★★★
Suppose the price of oil falls sharply (as it did in 1986 and again in 1998). a. Show the impact of such a change in both the aggregate-demand/aggregate-supply diagram and in the Phillips-curve...

Answered: 1 week ago

Question

★★★★★
When did the shift from Text-based Business Application Software to GUI-based Applications begin?

Answered: 1 week ago

Previous Question Next Question