devry bis245 week 3 Quiz latest 2016 may

devry bis245 week 3
Quiz latest 2016 may
1. Question : (TCO 2) In a relational database, entities are

events.

persons.

things.

All of the above

Question 2. Question
: (TCO 2) Which of the following
is NOT a step in the Database Life Cycle?

Database Design

Maintenance and Redevelopment

Performance

Testing

Question 3. Question
: (TCO 3) All of the following
explain index usage EXCEPT

a primary field uses an index.

adding an index to a table might decrease
overall database performance slightly.
an index can reduce the amount of time it
takes for Access to run queries and reports.
indexes are created using the Index property
type.

Question 4. Question
: (TCO 2) A domain is a

group of data types that describe what kind
of information that may be stored in a field.
model of the database.

set of values.

the set of primary and foreign keys in a
database.

Question 5. Question
: (TCO 2) All of the following
describe a many-to-many relationship in Access EXCEPT

a junction (associative) table is used.

many matching records are found in each
direction between tables.

may be used to connect to Oracle and other
databases.

there must be at least two tables.

Question 6. Question
: (TCO 2) An associative table
is

used to identify primary keys between tables.

a child of two parent tables that are in a
many-to-many relationship.
an integrity element within a table
relationship.

a tool that allows you to locate an excel
file.

Question 7. Question
: (TCO 3) Which of the following
does NOT describe data redundancy?

The same data exists in multiple tables.

The data is always in linked tables.

Data updating must be done in multiple table
locations.

Data redundancy can result in data anomalies.

Question 8. Question
: (TCO 4) To which of the
following does the term cascading refer?

Data changes travel from one table to
another.

Data is put in sequential order.

Queries can retrieve data at a faster rate.

Records are arranged in order.

Question 9. Question
: (TCO 4) Validation text

changes the way text data is formatted.

determines the maximum length of a Text
field.

requires correct text data input.

specifies the error message when a rule is
violated.

Question 10. Question
: (TCO 4) All of the following
are examples of primary keys EXCEPT

employee ID.

social security number.

ISBN number on a textbook.

last name.