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

Author Question: When transforming an E-R data model into a relational database design, the key of the parent entity ... (Read 143 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
on: Jul 7, 2018
When transforming an E-R data model into a relational database design, the key of the parent entity should be placed as part of the primary key into the child entity ________.
 
  A) when the child entity is ID-dependent
  B) when the child entity is non-ID-dependent
  C) when the child entity has a 1:1 relationship with the parent entity
  D) when the child entity has a 1:N relationship with the parent entity

Question 2

To limit the number of rows retrieved from a table, use the SQL TOP keyword.
 
  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

AaaA

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


newyorker26

  • Member
  • Posts: 536
Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Axon terminal model Axon terminal model
Elementary particles included in the Standard Model Elementary particles included in the Standard Model
A Mental Model A Mental Model
Sustainable Food Systems Model Sustainable Food Systems Model
DNA double helix model DNA double helix model
A three-gene additive model for wheat kernel color A three-gene additive model for wheat kernel color
Video: Types of synapses - electrical & chemical

For a complete list of videos, visit our video library