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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:

1. A) 1 terabyte of data.
2. B) 3 gigabytes of data.
3. C) at least 100 petabytes of data.
4. 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:

1. A) collecting data.
2. B) organizing data.
3. C) design web pages.
4. 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.

1. A) logically
2. B) physically
3. C) loosely
4. 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 ________.

1. A) poor; personal computers
2. B) excellent; mainframes
3. C) poor; mainframes
4. D) excellent; workgroup computers

Answer:  C

LO:  3.1: Define key terms.

Difficulty:  Moderate

Classification:  Concept

AACSB:  Information Technology

5) Program-data dependence is caused by:

1. A) file descriptions being stored in each database application.
2. B) data descriptions being stored on a server.
3. C) data descriptions being written into programming code.
4. 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:

1. A) the data is always non-redundant.
2. B) unplanned duplicate data files are the rule rather than the exception.
3. C) data can always be shared with others.
4. 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