ModelingDataRelationships

Question 1

Regarding data relationships, which of the following options is correct?

Answer 1

An Entity must have an identifier to allow relationships.

Question 2

Which of the following steps is necessary to create a 1-to-1 relationship between Entity A and Entity B?

Answer 2

Set the data type of the identifier attribute of Entity B to Entity A Identifier.

Question 3

Which of the following steps is necessary to create a 1-to-many relationship between a Master Entity A and a Detail Entity B?

Answer 3

Entity B must have a reference attribute of type Entity A Identifier.

Question 4

Which of the following steps is necessary to create a many-to-many relationship between Entity A and Entity B?

Answer 4

Add a new Entity C, with two reference attributes of type Entity A Identifier and Entity B Identifier.