Cis 336 Final Exam Devry - Complete Answer

CIS 336 Final Exam DeVry - Complete Answer

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Page 1 – Multiple Choice
1. (TCO 1) Most DBMS are referred to as _____________database management systems. (Points : 4)
elemental
linked
hierarchical
relational
2.
2. (TCO 1) Data constitutes the building blocks of _____________. (Points : 4)
information
processing
applications
programming

3. (TCO 2) If a foreign key contains either matching values or nulls, the table(s) that make use of such a foreign key is/are said to exhibit __________ integrity. (Points : 4)
referential
restrictive
secondary
redundant

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


8. (TCO 4) When a constraint is created at the ______ level with the CREATE TABLE command, the constraint definition is simply included as part of the column definition.(Points : 4)
table
column
database
row


Page 2 – Multiple Choice
1. (TCO 4) In Oracle, the CONSTRAINT...