TEST BANK Modern Database Management, 13e (Hoffer)

TEST BANK

,Modern Database Management, 13e (Hoffer)
Chapter 1 The Database Environment and Development Process

1) According to a McKinsey Global Institute Report, in 2010 alone, global enterprises stored
more than:
A) 1 terabyte of data.
B) 3 gigabytes of data.
C) at least 100 petabytes of data.
D) more than 7 billion exabytes of data.
Answer: D
LO: 1.1: Define key terms.
Difficulty: Easy
Classification: Concept
AACSB: Information Technology

2) Database management involves all of the following EXCEPT:
A) collecting data.
B) organizing data.
C) design web pages.
D) managing data.
Answer: C
LO: 1.1: Define key terms.
Difficulty: Easy
Classification: Concept
AACSB: Information Technology

3) A database is an organized collection of related data.
A) logically
B) physically
C) loosely
D) badly
Answer: A
LO: 1.1: Define key terms.
Difficulty: Easy
Classification: Concept
AACSB: Information Technology

4) Legacy systems often contain data of quality and are generally hosted on .
A) poor; personal computers
B) excellent; mainframes
C) poor; mainframes
D) excellent; workgroup computers
Answer: C
LO: 3.1: Define key terms.

,5) Program-data dependence is caused by:
A) file descriptions being stored in each database application.
B) data descriptions being stored on a server.
C) data descriptions being written into programming code.
D) data cohabiting with programs.
Answer: A
LO: 1.2: Name several limitations of conventional file processing systems.
Difficulty: Moderate
Classification: Concept
AACSB: Information Technology

6) Because applications are often developed independently in file processing systems:
A) the data is always non-redundant.
B) unplanned duplicate data files are the rule rather than the exception.
C) data can always be shared with others.
D) there is a large volume of file I/O.
Answer: B
LO: 1.2: Name several limitations of conventional file processing systems.
Difficulty: Moderate
Classification: Concept
AACSB: Information Technology

7) Relational databases establish the relationships between entities by means of common fields
included in a file called a(n):
A) entity.
B) relationship.
C) relation.
D) association.
Answer: C
LO: 1.3: Explain at least 10 advantages of the database approach, compared to traditional file
processing.
Difficulty: Moderate
Classification: Concept
AACSB: Information Technology

8) A(n) is often developed by identifying a form or report that a user needs on a
regular basis.
A) enterprise view
B) reporting document
C) user view
D) user snapshot
Answer: C
LO: 1.3: Explain at least 10 advantages of the database approach, compared to traditional file
processing.

, 9) A graphical system used to capture the nature and relationships among data is called a(n):
A) XML data model.
B) hypertext graphic.
C) relational database.
D) data model.
Answer: D
LO: 1.3: Explain at least 10 advantages of the database approach, compared to traditional file
processing.
Difficulty: Moderate
Classification: Concept
AACSB: Information Technology

10) Data that describe the properties of other data are:
A) relationships.
B) logical.
C) physical.
D) metadata.
Answer: D
LO: 1.3: Explain at least 10 advantages of the database approach, compared to traditional file
processing.
Difficulty: Moderate
Classification: Concept
AACSB: Information Technology

11) Metatdata typically describes all of the following EXCEPT:
A) data definitions.
B) length.
C) allowable values.
D) location on disk.
Answer: D
LO: 1.3: Explain at least 10 advantages of the database approach, compared to traditional file
processing.
Difficulty: Moderate
Classification: Concept
AACSB: Information Technology




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