Choose the correct answer for the following items.

1. Which of the following would be least likely to be represented with a Unified Modeling Language (UML) Class?

1. Trucks
2. The number of trucks used in the delivery
3. The employee driving the truck
4. The customer receiving the delivery

2. Which of the following statements about foreign keys is not true?

1. A foreign key can be a combination of attributes
2. A foreign key cannot be NULL
3. Foreign key must match values of the linked primary key
4. Foreign keys support a defined association

3. Which of the following is not a step in using a Unified Modeling Language (UML) Class model to prepare a database?

1. Map Classes to Tables
2. Map Attributes to Table Fields
3. Map Associations to Foreign Keys
4. Map Associations to Primary Keys

4. Entity-relationship diagrams (ERDs) are similar in content and purpose to Unified Modeling Language (UML) Class diagrams. Which of the following is not a basic building block of ERDs?

1. Relationships
2. Associations
3. Attributes
4. Entities

5. Consider an association between a Sales class and an Inventory class in a Unified Modeling Language (UML) Class diagram. The multiplicities next to the Sales class are 0..* and the multiplicities next to the Inventory class are 1..*. Which of the following is the best way to implement that association in your database?

1. Post the primary key of Sales as a foreign key in Inventory
2. Post the primary key of Inventory as a foreign key in Sales
3. A and B are correct
4. Create a linking table

6. Consider an association between a Cash Disbursements class and a Vendors class in a Unified Modeling Language (UML) Class diagram. The multiplicities next to the Cash Disbursements class are 0..* and the multiplicities next to the Vendors class are 1..1. Which of the following is the best way to implement that association in your database?

1. Post the primary key of Cash Disbursements as a foreign key in Vendors
2. Post the primary key of Vendors as a foreign key in Cash Disbursements
3. Create a linking table
4. None of the above