Question 1

Which main characteristic is used to differentiate between strong and weak entities in the process of database design?

Options :

A : Association

B : Primary key

C : Foreign key

D : Cardinality

Answer: B

Question 2

Which phase of entity-relationship modeling refers to the maxima and minima of relationships and attributes?

Options :

A : Cardinality

B : Physical design

C : Attribute minimum

D : Partition

Answer: A

Question 3

What is the second step in the implement relationships stage of database design?

Options :

A : Implement weak entities

B : Implement one-one relationships

C : Implement subtype entities

D : Specify cascade

Answer: B

Question 4

Which main characteristic is used to differentiate between strong and weak entities in the process of database design?

Options :

A : Association

B : Primary key

C : Foreign key

D : Cardinality

Answer: B

Question 5

What is the second step in the implement relationships stage of database design?

Options :

A : Implement weak entities

B : Implement one-one relationships

C : Implement subtype entities

D : Specify cascade

Answer: B

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