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 17 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
Great answer, keep it coming :)


kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

For a complete list of videos, visit our video library