ANSWER: A database is an organized collection of data.. ANSWER: column or field; row or record 3.. List the five main types of key fields available in a relationship database.. ANSWER: P
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Review Questions
1. What is a database?
ANSWER: A database is an organized collection of data.
2. A(n) within a table is used to represent an attribute being
collected about an entity whereas a(n) represents the specific occurrence of an entity
ANSWER: column (or field); row (or record)
3. List the five main types of key fields available in a relationship database
ANSWER: Primary keys, candidate keys, surrogate keys, foreign keys, and
composite keys
4. A person’s social security number should always be used as a primary key
because each social security number can only be assigned to one person True
or False?
ANSWER: False
5. When linking two tables together, the foreign key is always stored in the
side of a one-to-many relationship
ANSWER: many
6. A partial dependency can only occur if you have what type of primary key?
ANSWER: A partial dependency can only occur if you have a composite
primary key.
7. If a table has a primary key, has no repeating groups, and no partial
dependencies, the table is in _ normal form
ANSWER: second
8. Explain what type of relationship exists between the entities automobiles and
automobile owners?
ANSWER: Because one person can own more than one automobile, and an
automobile can be owned by more than one person, there is a many-to-many relationship between the entities.
9. Oracle Net is a utility that enables network communication between a client
and the server True or False?
ANSWER: True
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10. A client is a program designed to listen for, and respond to, requests made by
another computer True or False?
ANSWER: False
Multiple Choice
1 b
2 c
3 b
4 d
5 d
6 a
7 d
8 b
9 a
10 b