1. In the relational model, a column that connects one table to another is called a foreign key

TrueFalse

2. If every determinant in a relation is a key, then the relation conforms to Fourth Normal Form

TrueFalse

3. In the relational model, a column is called an attribute

TrueFalse

4. A 3NF relation with no multi-valued dependencies is in

• Domain-Key Normal Form
• Fourth Normal Form
• DCNF
• Fifth Normal Form

5. When we use the word "key" we mean

• the primary key
• a foreign key
• any candidate key
• a domestic key

6. An internally generated value that is unique to a row in a table is called

• a foreign key
• an external key
• an object identifier
• a candidate key

7. If a data value is null, then it

• is the empty string
• is blank
• is 0
• may be unknown

8. In the relational model, a file is called

• a tuple
• an attribute
• a relation
• a row

9. In the relational model, a row in a table is called

• a relation
• a key
• a tuple
• an attribute

10. In standard relational notation, underlined column names identify

• null columns
• domestic keys
• foreign keys
• the relation's key