Deck 6: Foundations of Business Intelligence:

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

Which common database challenge is illustrated by a person receiving multiple copies of an L.L.Bean catalog,each addressed to a slightly different variation of his or her full name?

A)Data normalization
B)Data accuracy
C)Data redundancy
D)Data inconsistency
E)Data duplication

Answer 2

D

Question 3

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.

Answer 3

E

Question 4

A record is a group of related fields.

Question 5

Program-data dependence refers to the coupling of data stored in files and the specific programs required to update and maintain those files such that changes in programs require changes to the data.

Question 6

You have been asked to design a new contracts database for a small publishing company.What fields do you anticipate needing? Which of these fields might be in use in other databases used by the company?

Question 7

All of the following are issues with the traditional file environment except:

A)data inconsistency.
B)inability to develop specialized applications for functional areas.
C)lack of flexibility in creating ad-hoc reports.
D)poor security.
E)data sharing.

Question 8

Which of the following is a DBMS for desktop computers?

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

Question 9

Which of the following is a grouping of characters into a word,a group of words,or a complete number?

A)File
B)Table
C)Entity
D)Field
E)Tuple

Question 10

The fact that a traditional file system cannot respond to unanticipated information requirements in a timely fashion is an example of which of the following issues with traditional file systems?

A)Program-data dependence
B)Lack of flexibility
C)Poor security
D)Lack of data sharing
E)Data redundancy

Question 11

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 12

A database ________ describes a database entity.

A)byte
B)field
C)record
D)value
E)file

Question 13

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

A)Ability to enforce referential integrity
B)Ability to couple program and data
C)Use of a data dictionary
D)Ability to create two-dimensional tables
E)Ability to minimize isolated files with repeated data

Question 14

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

Question 15

Which of the following occurs when the same attribute in related data files has different values?

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

Question 16

Which of the following best illustrates the relationship between entities and attributes?

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 17

A characteristic or quality that describes a particular database entity is called a(n):

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

Question 18

A(n)________ represent data as two-dimensional tables.

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

Question 19

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 20

________ 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 21

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

Question 22

Microsoft Access's data dictionary displays all of the following information about a field except the:

A)size of the field.
B)format of the field.
C)description of the field.
D)type of the field.
E)the organization within the organization that is responsible for maintaining the data.

Question 23

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 24

The logical and physical views of data are combined into a single view in a DBMS.

Question 25

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 26

Which of the following is an automated or manual file that stores information about data elements and data characteristics such as usage,physical representation,ownership,authorization,and security?

A)Data dictionary
B)Data definition diagram
C)Entity-relationship diagram
D)Relationship dictionary
E)Data table

Question 27

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 28

Which of the following is not one of the benefits of a blockchain database?

A)It enables the ability to use relational databases.
B)It prevents data from being altered retroactively.
C)It allows administrators to manage data more effectively.
D)It enables firms to create and verify translations on a network very rapidly.
E)It provides users with an integrated view of the data.

Question 29

In a table for customers,the information about a single customer resides in a single:

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

Question 30

Which of the following is the most prominent data manipulation language today?

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

Question 31

Which of the following is a specialized language that programmers use to add and change data in the database?

A)Data access language
B)Data manipulation language
C)Structured query language
D)Data definition language
E)DBMS

Question 32

You are creating a database to store temperature and wind data from various airports.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 33

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

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

Question 34

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 35

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 36

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 37

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 38

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 39

DBMSs typically include report generating tools in order to:

A)retrieve and display data.
B)display data in a more structured and polished format than would be possible just by querying.
C)display data in graphs.
D)perform predictive analysis.
E)analyze the database's performance.

Question 40

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 41

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

Question 42

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

Question 43

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 44

OLAP enables:

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 45

A distributed database:

A)uses predictive analysis.
B)uses SQL.
C)is a database that is stored in multiple physical locations.
D)is a database that is distributed across many business firms.
E)uses Hadoop to process information.

Question 46

You work for a car rental agency and want to determine what characteristics are shared among your most loyal customers.To do this,you will want to use the data mining software you are using to do which of the following?

A)Identify associations
B)Identify clusters
C)Identify sequences
D)Classify data
E)Create a forecast

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 household appliances manufacturer has hired you to help analyze its social media datasets to determine which of its 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 mining technologies
D)Data mining software
E)Data governance software

Question 49

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 50

A data lake is composed of:

A)historical data from legacy systems.
B)unstructured and structured data that has not been analyzed.
C)internal and external data sources.
D)historic and current internal data.
E)historic external data.

Question 51

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

Question 52

You work for a retail clothing chain whose primary outlets are in shopping malls and 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 the data mining software you are using to do which of the following?

A)Identify associations
B)Identify clusters
C)Identify sequences
D)Classify data
E)Create a forecast

Question 53

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 54

NoSQL technologies are used to manage sets of data that require the flexibility of tables and relations.

Question 55

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

Question 56

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

Question 57

Data mining allows 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 58

The term big data refers to all of the following except:

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 59

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

Question 60

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

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

Question 64

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

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

Question 65

You can use text mining tools to analyze unstructured data,such as memos and legal cases.

Question 66

You can use OLAP to perform multidimensional data analysis.

Question 67

In data mining,which of the following involves recognizing patterns that describe the group to which an item belongs by examining existing items and inferring a set of rules?

A)Associations
B)Sequences
C)Classifications
D)Clustering
E)Forecasting

Question 68

Which of the following enables you to create a script that allows a web server to communicate with a back-end database?

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

Question 69

Which of the following would you use to find patterns in user interaction data recorded by a web server?

A)Web usage mining
B)Web server mining
C)Web structure mining
D)Web content mining
E)Web protocol mining

Question 70

In the context of data relationships,the term 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 71

Legacy systems are used to populate and update data warehouses.

Question 72

Which of the following is software that handles all application operations between browser-based computers and a company's back-end business applications or databases?

A)Database server software
B)Application server software
C)Web browser software
D)Data mining software
E)Web server software

Question 73

Middleware is an application that transfers information from an organization's internal database to a web server for delivery to a user as part of a web page.

Question 74

In data mining,which of the following involves using a series of existing values to determine what other future values will be?

A)Associations
B)Sequences
C)Classifications
D)Clustering
E)Forecasting

Question 75

OLAP can manage and handle queries with very large sets of data.

Question 76

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

Question 77

Spanner is an example of a distributed database.

Question 78

In data mining,which of the following involves events linked over time?

A)Associations
B)Sequences
C)Classifications
D)Clustering
E)Forecasting

Question 79

In-memory computing relies primarily on a computer's disk drives for data storage.

Question 80

MongoDB and SimpleDB are both examples of:

A)open source databases.
B)SQL databases.
C)NoSQL databases.
D)cloud databases.
E)big data databases.