CIS 336 Final Exam 1(Devry)
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1. (TCO 1) Most DBMS are referred to as _____________database management systems. (Points: 4)
Elemental
linked
hierarchical
relational
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 makes 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 demoralization
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 Choices
1. (TCO 4) In Oracle, the CONSTRAINT clause is used to ___________________. (Points: 4)
Create only referential constraints
define and name any constraint
create a short cut so the constraint does not have to be named
create only entity integrity constraints
2. (TCO...