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 91 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

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Dimensions for gathering data Dimensions for gathering data
Information Processing Model The components of the model operate simultaneously. Information Processing Model The components of the model operate simultaneously.
Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ... Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ...
The sliding filament model of muscle contraction The sliding filament model of muscle contraction
Model of GAL1 and GAL10 transcriptional activation Model of GAL1 and GAL10 transcriptional activation
The ABC model of flower development The ABC model of flower development
Video: Genetic terms Animation

For a complete list of videos, visit our video library