CIS336 Week 2 Quiz – Study Guide – Perfect Solution

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Problem Statement

Question 1.1. (TCO 2) Which statement is FALSE regarding a primary key? (Points : 3)
Only parent tables must have a primary key.
The values must be unique.
It can be made up of multiple attributes.
The value cannot be NULL.

Question 2.2. (TCO 2) _____ integrity ensures that all primary key values are unique and no part of a primary key may be null. (Points : 3)
Referential
Entity
Data
Logical

Question 3.3. (TCO 2) A(n) _____ in a business rule usually translates to an entity in the data model. (Points : 3)
noun
verb
adjective
adverb

Question 4.4. (TCO 4) A(n) ____ provides a detailed description of all attributes in the ERD including their datatypes. (Points : 3)
entity relationship diagram
data dictionary
business rule
pseudocode

Question 5.5. (TCO 2) A _____ primary key is often used in an associative or linking table. (Points : 3)
composite
foreign
bridge
linking

Question 6.6. (TCO 4) In the figure below, the OrderLineItems entity is there to implement what type of relationship between Orders and Products?
(Points : 3)
One to one
One to many
Many to many
No relationship

Question 7.7. (TCO 2) When designing a database, you should _____. (Points : 3)
make sure entities are in normal form before table structures are created
create table structures then normalize the database
only normalize the database when performance problems occur
consider more important issues, such as performance, before normalizing

Question 8.8. (TCO 2) The term first normal form (1NF) describes the tabular format in which all of the following are true except ______. (Points : 3)
all of the key attributes are defined
there are no repeating groups in the table
all attributes are dependent on the primary key
no attributes are dependent on the primary key

Question 9.9. (TCO 2) A table is not in 1NF if _____. (Points : 3)
it has a primary key defined
all of the key attributes are defined
there are repeating groups in the table
all attributes are dependent on the primary key

Question 10.10. (TCO 2) A _____ data model describes the entities and attributes in as much detail as possible without concern for the implementation details. (Points : 3)
logical
physical
conceptual
network

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