Database - Data Models into Database Designs

Exercise :: Data Models into Database Designs - True or False

1. 

A foreign key is used to implement relationships between tables.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

The terms alternate key and candidate key mean the same thing.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

3. 

In 1:N relationships, which entity becomes the parent entity is arbitrary.

A. True
B. False

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

4. 

When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

5. 

In a 1:1 relationship, the primary key placement is arbitrary.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.