CIS 336 Final Exam 1 CIS 336 Final Exam 1 | Page 2

4. (TCO 2) In a "one-to-many" relationship, which constraint is usually added to the "many"
table?
(Points : 4)
UNIQUE
PRIMARY KEY
FOREIGN KEY
NOT NULL
5. (TCO 3) A ____ occurs when a relationship is improperly or incompletely identified and,
therefore, is represented in a way that is not consistent with the real world. (Points : 4)
surrogate primary keys
time-variant data
design trap
fan trap
6. (TCO 3) All of the following are true about a prime attribute except_____________. (Points :
4)
it is a key attribute
it is at least part of a key
it is not a key attribute
it may be part of a composite key
7. (TCO 3) The conflicts between design efficiency, information requirements, and processing
speed are often resolved through_____________. (Points : 4)
conversion from 1NF to 2NF
conversion from 2NF to 3NF
compromises that include denormalization
conversion from 3NF to 4NF