Deck 6: Foundations of Business Intelligence: Databases and Information Management

Question 1

A DBMS makes the

A) physical database available for different logical views.
B) relational database available for different logical views.
C) physical database available for different analytic views.
D) relational database available for different analytic views.
E) logical database available for different analytic views.

Answer 1

A

Question 2

The traditional file environment does not typically have a problem with

A) data inconsistency.
B) program-data independence.
C) lack of flexibility in creating ad-hoc reports.
D) poor security.
E) data sharing.

Answer 2

B

Question 3

In a table for customers, the information about a single customer would reside in a single

A) field.
B) row.
C) column.
D) table.
E) entity.

Answer 3

B

Question 4

Data ________ occurs when the same data is duplicated in multiple files of a database.

A) redundancy
B) repetition
C) independence
D) partitions
E) discrepancy

Question 5

List at least three conditions that contribute to data redundancy and inconsistency.

Question 6

The coupling of data with the software programs that manipulate the data, such that changes in programs requires changes to the data, is called program-data dependence.

Question 7

The relationship between entities and attributes is best illustrated by

A) the entity CUSTOMER with the attribute PRODUCT.
B) the entity CUSTOMER with the attribute PURCHASE.
C) the entity PRODUCT with the attribute PURCHASE.
D) the entity PRODUCT with the attribute CUSTOMER.
E) the entity PURCHASE with the attribute CUSTOMER.

Question 8

A(n) ________ is a characteristic or quality that describes a database entity.

A) field
B) tuple
C) key field
D) attribute
E) relationship

Question 9

When you design the new contracts database for the publishing house mentioned above, what fields do you anticipate needing?
Which of these fields might be in use in other databases used by the company?

Question 10

The logical view of a database

A) displays the organization and structure of data on the physical storage media.
B) includes a digital dashboard.
C) allows the creation of supplementary reports.
D) enables users to manipulate the logical structure of the database.
E) presents data as they would be perceived by end users.

Question 11

A database record is a grouping of characters into a word, a group of words, or a complete number.

Question 12

Microsoft SQL Server is a(n)

A) DBMS for both desktops and mobile devices.
B) Internet DBMS.
C) desktop relational DBMS.
D) DBMS for midrange computers.
E) DBMS for mobile devices.

Question 13

A(n) ________ organizes data in two-dimensional tables.

A) non-relational DBMS
B) mobile DBMS
C) relational DBMS
D) hierarchical DBMS
E) object-oriented DBMS

Question 14

When the same attribute in related data files has different values, this is called data

A) redundancy.
B) duplication.
C) dependence.
D) discrepancy.
E) inconsistency.

Question 15

Which of the following features enables a DBMS to reduce data redundancy and inconsistency?

A) enforces referential integrity
B) couples program and data
C) data dictionary
D) two-dimensional tables
E) minimizes isolated files with repeated data

Question 16

Which of the following is not a DBMS for midrange computers?

A) DB2
B) Oracle
C) Microsoft SQL Server
D) Microsoft Access
E) Microsoft Exchange

Question 17

An attribute is a characteristic or quality used to describe a particular entity.

Question 18

Databases record information about general categories of information referred to as entities.

Question 19

________ creates confusion that hampers the creation of information systems that integrate data from different sources.

A) Batch processing
B) Data redundancy
C) Data independence
D) Online processing
E) Data quality

Question 20

A(n) ________ is an example of non-digital data storage that is comparable to a database.

A) library card catalog
B) cash register receipt
C) doctor's office invoice
D) list of sales totals on a spreadsheet
E) schedule of due dates on a project outline

Question 21

A field identified in a record as holding the unique identifier for that record is called the

A) primary key.
B) key field.
C) primary field.
D) unique ID.
E) key attribute.

Question 22

The most prominent data manipulation language today is

A) Access.
B) DB2.
C) SQL.
D) Crystal Reports.
E) NoSQL.

Question 23

A one-to-many relationship between two entities is symbolized in a diagram by a line that ends with

A) one short mark.
B) two short marks.
C) three short marks.
D) a crow's foot.
E) a crow's foot topped by a short mark.

Question 24

You are creating a database to store temperature and wind data from national airport locations. Which of the following fields is the most likely candidate to use as the basis for a primary key in the Airport table?

A) address
B) city
C) airport code
D) state
E) day

Question 25

The DBMS programming language that end users and programmers use to manipulate data in the database is called CGI.

Question 26

A field identified in a table as holding the unique identifier of the table's records is called the

A) primary key.
B) key field.
C) primary field.
D) unique ID.
E) primary entity.

Question 27

The process of streamlining data to minimize redundancy and awkward many-to-many relationships is called

A) normalization.
B) data scrubbing.
C) data cleansing.
D) data defining.
E) optimization.

Question 28

An automated or manual file that stores information about data elements and data characteristics such as usage, physical representation, ownership, authorization, and security is the

A) data dictionary.
B) data definition diagram.
C) entity-relationship diagram.
D) relationship dictionary.
E) data table.

Question 29

In a relational database, a record is referred to in technical terms as a(n)

A) tuple.
B) row.
C) entity.
D) field.
E) key.

Question 30

Every record in a file should contain at least one key field.

Question 31

In a relational database, the three basic operations used to develop useful sets of data are

A) select, project, and where.
B) select, join, and where.
C) select, project, and join.
D) where, from, and join.
E) where, find, and select.

Question 32

The select operation

A) combines relational tables to provide the user with more information than is otherwise available.
B) creates a subset consisting of columns in a table.
C) identifies the table from which the columns will be selected.
D) creates a subset consisting of all records in the file that meet stated criteria.
E) creates a subset consisting of rows in a table.

Question 33

The project operation

A) combines relational tables to provide the user with more information than is otherwise available.
B) creates a subset consisting of columns in a table.
C) organizes elements into segments.
D) identifies the table from which the columns will be selected.
E) creates a subset consisting of rows in a table.

Question 34

The logical and physical views of data are separated in a DBMS.

Question 35

The data dictionary serves as an important data management tool by

A) assigning attributes to the data.
B) creating an inventory of the data elements contained in the database.
C) presenting data as end users or business specialists would perceive them.
D) maintaining data in updated form.
E) providing a guide to database terms and settings.

Question 36

NoSQL technologies are used to manage sets of data that don't require the flexibility of tables and relations.

Question 37

The specialized language programmers use to add and change data in the database is called

A) a data access language.
B) a data manipulation language.
C) structured query language.
D) a data definition language.
E) a DBMS.

Question 38

DBMSs typically include report-generating tools in order to

A) retrieve and display data.
B) display data in an easier-to-read format.
C) display data in graphs.
D) perform predictive analysis.
E) analyse the database's performance.

Question 39

The join operation

A) combines relational tables to provide the user with more information than is otherwise available.
B) identifies the table from which the columns will be selected.
C) creates a subset consisting of columns in a table.
D) organizes elements into segments.
E) creates a subset consisting of rows in a table.

Question 40

A schematic of the entire database that describes the relationships in a database is called a(n)

A) data dictionary.
B) intersection relationship diagram.
C) entity-relationship diagram.
D) data definition diagram.
E) data analysis table.

Question 41

OLAP is a tool for enabling

A) users to obtain online answers to ad-hoc questions in a rapid amount of time.
B) users to view both logical and physical views of data.
C) programmers to quickly diagram data relationships.
D) programmers to normalize data.
E) users to quickly generate summary reports.

Question 42

Which of the following technologies would you use to analyze the social media data collected by a major online retailer?

A) OLAP
B) data warehouse
C) data mart
D) Hadoop
E) DBMS

Question 43

In terms of data relationships, associations refers to

A) events linked over time.
B) patterns that describe a group to which an item belongs.
C) occurrences linked to a single event.
D) undiscovered groupings.
E) relationships between different customers.

Question 44

The tool that enables users to view the same data in different ways using multiple dimensions is

A) predictive analysis.
B) SQL.
C) OLAP.
D) data mining.
E) Hadoop.

Question 45

Which of the following is not one of the techniques used in Web mining?

A) content mining
B) structure mining
C) server mining
D) usage mining
E) data mining

Question 46

All of the following are technologies used to analyze and manage big data except

A) cloud computing.
B) noSQL.
C) in-memory computing.
D) analytic platforms.
E) Hadoop.

Question 47

The small publishing company you work for wants to create a new database for storing information about all of their author contracts. What factors will influence how you design the database?

Question 48

A physical view shows data as it is actually organized and structured on the data storage media.

Question 49

________ tools are used to analyze large unstructured data sets, such as e-mail, memos, survey responses, etc., to discover patterns and relationships.

A) OLAP
B) Text mining
C) In-memory
D) Clustering
E) Classification

Question 50

Big data does not refer to

A) datasets with fewer than a billion records.
B) datasets with unstructured data.
C) machine-generated data (i.e. from sensors).
D) data created by social media (i.e. tweets, Facebook Likes).
E) data from Web traffic.

Question 51

A household appliances manufacturer has hired you to help analyze their social media datasets to determine which of their refrigerators are seen as the most reliable. Which of the following tools would you use to analyze this data?

A) text mining tools
B) sentiment analysis software
C) Web usage mining technologies
D) data mining software for identifying associations
E) data mining software for forecasting

Question 52

List and describe three main capabilities or tools of a DBMS.

Question 53

You work for a retail clothing chain whose primary outlets are in shopping malls, and you are conducting an analysis of your customers and their preferences. You wish to find out if there are any particular activities that your customers engage in, or the types of purchases made in the month before or after purchasing select items from your store. To do this, you will want to use data mining software that is capable of

A) identifying associations.
B) identifying clusters.
C) identifying sequences.
D) classification.
E) forecasting.

Question 54

A data warehouse is composed of

A) historical data from legacy systems.
B) current data.
C) internal and external data sources.
D) historic and current internal data.
E) historic external data.

Question 55

DBMS have a data definition capability to specify the structure of the content of the database.

Question 56

Relational DBMSs use key field rules to ensure that relationships between coupled tables remain consistent.

Question 57

Complicated groupings of data in a relational database need to be adjusted to eliminate awkward many-to-many relationships.

Question 58

Data mining is a tool for allowing users to

A) quickly compare transaction data gathered over many years.
B) find hidden relationships in data.
C) obtain online answers to ad-hoc questions in a rapid amount of time.
D) summarize massive amounts of data into much smaller, traditional reports.
E) access the vast amounts of data in a data warehouse.

Question 59

You work for a national car rental agency and want to determine what characteristics are shared among your most loyal customers. To do this, you will want to use data mining software that is capable of

A) identifying associations.
B) identifying clusters.
C) identifying sequences.
D) classification.
E) forecasting.

Question 60

Identify and describe three basic operations used to extract useful sets of data from a relational database.

Question 61

Implementing a Web interface for an organization's internal database usually requires substantial changes to be made to the database.

Question 62

You can manipulate data on a Web server by using a CGI script.

Question 63

In data mining, the technique of predicting uses a series of existing values to determine what other future values will be.

Question 64

To perform multidimensional data analysis, you would use OLAP.

Question 65

In place of application server software to allow a Web server to communicate with a back-end database, you can use

A) CGI.
B) HTML.
C) Java.
D) SQL.
E) NoSQL.

Question 66

A database server is software that handles all application operations between browser-based computers and a company's back-end business applications or databases.

Question 67

Describe the ways in which database technologies could be used by a toy manufacturer to achieve product differentiation.

Question 68

To analyze unstructured data, such as memos and legal cases, you would use text mining tools.

Question 69

Legacy systems are used to populate and update data warehouses.

Question 70

What makes data mining an important business tool?
What types of information does data mining produce?
In what type of circumstance would you advise a company to use data mining?

Question 71

You have been hired by a national furniture leasing company to implement its first business intelligence systems and infrastructure. To prepare for your initial report, describe the types of data in their firm they can use to support business intelligence and the systems that you will implement to support both their power users and casual users, and explain how these systems or tools work together.

Question 72

An application that transfers information from an organization's internal database to a Web server for delivery as part of a Web page to the user is called middleware.

Question 73

HTML has become the preferred method of communicating with back-end databases because it is a cross-platform language.

Question 74

With in-memory computing, a computer's primary memory (RAM) is used for processing.

Question 75

High-speed analytic platforms use both relational and non-relational tools to analyze large datasets.

Question 76

In a client/server environment, a DBMS is located on a dedicated computer called a Web server.

Question 77

OLAP is unable to manage and handle queries with very large sets of data.

Question 78

In associations, a data mining tool discovers different groupings within data, such as finding affinity groups for bank cards.

Question 79

Multiple data marts are combined and streamlined to create a data warehouse.

Question 80

Describe the ways in which database technologies could be used by an office stationery supply company to achieve low-cost leadership.