This topic contains a solution. Click here to go to the answer

Author Question: If the parent is required, then a new child row must be created with a valid foreign key value. ... (Read 68 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
If the parent is required, then a new child row must be created with a valid foreign key value.
 
  Indicate whether the statement is true or false

Question 2

For a relationship to be considered a binary relationship it must satisfy which of the following conditions?
 
  A) It must involve exactly two entity classes.
  B) It must have a maximum cardinality of 1:1.
  C) It must have a maximum cardinality of 1:N.
  D) Both A and B are correct



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

at

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

TRUE

Answer to Question 2

A




Chloeellawright

  • Member
  • Posts: 588
Reply 2 on: Jul 7, 2018
:D TYSM


triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library