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Author Question: What is the difference between mapping a 1:M and a 1:1 relationship? What will be an ideal ... (Read 28 times)

tth

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on: Jul 7, 2018
What is the difference between mapping a 1:M and a 1:1 relationship?
 
  What will be an ideal response?

Question 2

Relationship instances occur when an instance of one entity is related to an instance of another entity via a relationship.
 
  Indicate whether the statement is true or false


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FergA

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Reply #1 on: Jul 7, 2018
Answer to Question 1

When a 1:M relationship is mapped, the foreign key must appear in the relation mapped from the M side. When a 1:1 relationship is mapped, the designer chooses in which of the tables the foreign key will appear.

Answer to Question 2

TRUE


tth

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Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

bdobbins

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Reply 3 on: Yesterday
Excellent

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