General Questions

Question 1 :

A data warehouse uses:


A). partial operational data.
B). historical operational data.
C). future operational data.
D). health care data.
Answer : Option B

Question 2 :

Metadata enables database designers and users to do all of the following except:


A). sample data.
B). understand what data exist.
C). what the fine distinctions are between similar data items.
D). what the data mean.
Answer : Option A

Question 3 :

Duplicate data often results in loss of data integrity because:


A). the data formats may be inconsistent.
B). data values may not agree.
C). Both A & B.
D). Neither A & B.
Answer : Option C

Question 4 :

Legacy data is which of the following?


A). Data contained in a newly-installed system
B). Data rejected during the installation of a new system
C). Data contained in a file system
D). Data contained by a system used prior to the installation of a new system
Answer : Option D

Question 5 :

A database management system (DBMS) is a:


A). hardware system used to create, maintain, and provide controlled access to a database.
B). hardware system used to create, maintain, and provide uncontrolled access to a database.
C). software system used to create, maintain, and provide controlled access to a database.
D). software system used to create, maintain, and provide uncontrolled access to a database.
Answer : Option C