Question 1

Which of the following statements is true of a database?

Accepted Answer

A) It is accessed primarily for use by an organization's database administrator and data administrator. 
B) It provides an essential foundation for an organization's knowledge management and artificial intelligence systems. 
C)  It is a collection of unstructured data. 
D)  It helps companies analyze information to open new market opportunities. 
A) It is accessed primarily for use by an organization's database administrator and data administrator. 
B) It provides an essential foundation for an organization's knowledge management and artificial intelligence systems. 
C)  It is a collection of unstructured data. 
D)  It helps companies analyze information to open new market opportunities.

Question 2

Data modeling done at the level of an entire enterprise is called _____.

Accepted Answer

enterprise

Question 3

Two of the major challenges business users face when using big data are finding the information they need to make decisions and knowing that the data they have is valid.

Accepted Answer

A) True 
 B)False

Question 4

For each data item, a data dictionary usually contains information such as the name of the data item, the range of values that can be used, and the amount of storage needed for the item.

Accepted Answer

A) True 
 B)False

Question 5

After entering data into a relational database, users can make all of the following basic data manipulations except:

Accepted Answer

A) ​projecting 
B) ​organizing 
C)  ​selecting 
D)  ​joining 
A) ​projecting 
B) ​organizing 
C)  ​selecting 
D)  ​joining

Question 6

A _____ is a subset of a data warehouse that is used by small- and medium-sized businesses and departments within large companies to support decision making.

Accepted Answer

A) data dictionary 
B) data model 
C)  data mart 
D)  data mine 
A) data dictionary 
B) data model 
C)  data mart 
D)  data mine

Which of the following statements is true of a database?

Data modeling done at the level of an entire enterprise is called _____.

Two of the major challenges business users face when using big data are finding the information they need to make decisions and knowing that the data they have is valid.

For each data item, a data dictionary usually contains information such as the name of the data item, the range of values that can be used, and the amount of storage needed for the item.

After entering data into a relational database, users can make all of the following basic data manipulations except:

A _____ is a subset of a data warehouse that is used by small- and medium-sized businesses and departments within large companies to support decision making.

An Introduction to Information Systems in Organizations

Hardware and Software

Networks and Cloud Computing

Electronic Commerce and Enterprise Systems

Business Intelligence and Analytics

Knowledge Management and Specialized Information Systems

Systems Acquisition and Development

The Personal and Social Effects of Computers

Ethics, Privacy, and Security in the Digital Age

Filters

Exam 3: Database Systems and Big Data

Which of the following statements is true of a database?

Data modeling done at the level of an entire enterprise is called _____.

Two of the major challenges business users face when using big data are finding the information they need to make decisions and knowing that the data they have is valid.

For each data item, a data dictionary usually contains information such as the name of the data item, the range of values that can be used, and the amount of storage needed for the item.

After entering data into a relational database, users can make all of the following basic data manipulations except:

A _____ is a subset of a data warehouse that is used by small- and medium-sized businesses and departments within large companies to support decision making.

An Introduction to Information Systems in Organizations

Hardware and Software

Networks and Cloud Computing

Electronic Commerce and Enterprise Systems

Business Intelligence and Analytics

Knowledge Management and Specialized Information Systems

Systems Acquisition and Development

The Personal and Social Effects of Computers

Ethics, Privacy, and Security in the Digital Age

Filters