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

Author Question: If the parent is required, then a new child row must be created with a valid foreign key value. ... (Read 15 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


Chloeellawright

  • Member
  • Posts: 588
Reply 2 on: Jul 7, 2018
Wow, this really help

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

« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

To examine a child’s ear, the pinna should be pulled back and up for children over 3 years; the pinn To examine a child’s ear, the pinna should be pulled back and up for children over 3 years; the pinn
Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c
When the United States gets stuck over a controversial issue—usually something a divided Congress ca When the United States gets stuck over a controversial issue—usually something a divided Congress ca
Cross-fiber friction to the paraspinal muscles. Friction is created by moving the more superficial ... Cross-fiber friction to the paraspinal muscles. Friction is created by moving the more superficial ...
Child Development: A Topical Approach Child Development: A Topical Approach
Developing Child, The Developing Child, The
Video: Introduction to Autism

For a complete list of videos, visit our video library