This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Double-ended arrows are used to represent data flowing in both directions. Indicate whether the ... (Read 133 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jul 7, 2018
Double-ended arrows are used to represent data flowing in both directions.
 
  Indicate whether the statement is true or false

Question 2

An order number is a good example of a candidate key.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yeungji

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE
Explanation: Although data may flow in both directions, it is usually indicated by two separate arrows.
CL

Answer to Question 2

TRUE
Explanation: An order number is a unique characteristic that distinguishes entity instances.
CL


roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Jul 7, 2018
Thank you


yeungji

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jul 7, 2018
No problemo


« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

The double-stranded structure of DNA The double-stranded structure of DNA
A health history is essential in collecting subjective data about metabolic acidosis. A health history is essential in collecting subjective data about metabolic acidosis.
Distal and ¬proximal directions Distal and ¬proximal directions
Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ... Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ...
How to find the quartiles and percentiles for a data set How to find the quartiles and percentiles for a data set
Data management questions Data management questions
Video: Blood Test Basics

For a complete list of videos, visit our video library