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

Question 1

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) field key diagram.
D) data definition diagram.
E) entity-relationship diagram.

Answer 1

E

Question 2

A characteristic or quality describing an entity is called a(n):

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

Answer 2

D

Question 3

In a business relational database, tables contain:

A) one table for each entity.
B) relations among entities.
C) bytes.
D) three-dimensional relations.
E) links to other tables.

Answer 3

A

Question 4

What are the relationships that the relational database is named for?

A) Relationships between rows and columns
B) Relationships between entities
C) Relationships between fields and records
D) Relationships between databases
E) Relationships between attributes

Question 5

You are working in the IT department of a small paper supply company and planning a new database that monitors employee benefits and productivity. What would be the relationship you need to establish between Employee_ID in the Employee table and Parking_spot_number in the Perks table?

A) One-to-many
B) One-to-one
C) Many-to-many
D) Many-to-one
E) One-to-all

Question 6

A table that links two tables that have a many-to-many relationship is often called a(n):

A) derived table.
B) intersection relation.
C) foreign table.
D) entity-relationship table.
E) derived relation.

Question 7

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

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

Question 8

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) foreign key.
E) identifying field.

Question 9

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

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

Question 10

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 ADDRESS
C) The entity PRODUCT with the attribute PURCHASE
D) The entity PRODUCT with the attribute CUSTOMER
E) The entity ADDRESS with the attribute CUSTOMER

Question 11

In a relational database, a record is also called a(n):

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

Question 12

Which of the following is the type of logical database model that treats data as if they were stored in two-dimensional tables?

A) Two-tiered DBMS
B) Pre-digital DBMS
C) Open source DBMS
D) Hierarchical DBMS
E) Relational DBMS

Question 13

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) foreign key.
E) identifying field.

Question 14

Which of the following best describes the importance of creating an accurate data model for your business's database?

A) It is not essential, as the data model itself is modified by the database continuously.
B) It is critical, as without one, your data may be inaccurate, incomplete, or difficult to retrieve.
C) It is essential, as table relationships cannot be created without an accurate data model.
D) It is somewhat important, as the type of data model will define what kinds of data will be stored.
E) It is unnecessary, as a well-designed database should not require one.

Question 15

As described in the chapter case, the Charlotte Hornets used a ________ to consolidate fan data from multiple sources.

A) database management system
B) relational database
C) data warehouse
D) data model
E) fan management system

Question 16

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 administration.
E) data management.

Question 17

The smallest unit of data a computer can handle is called a:

A) file.
B) record.
C) field.
D) byte.
E) bit.

Question 18

The most basic business database is comprised of:

A) three tables: for suppliers, parts, and sales.
B) four tables: for customers, suppliers, parts, and sales.
C) four tables: for customers, suppliers, sales, and employees.
D) five tables: for customers, employees, suppliers, parts, and sales.
E) attributes instead of tables.

Question 19

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

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

Question 20

From your reading of the chapter-opening case study, the Charlotte Hornets implemented a data warehouse in order to solve which of the following problems?

A) Online ticket sales were falling.
B) There were too many sources of data.
C) The entities and attributes of customer records were poorly organized.
D) There was too much unorganized customer data for decision makers to digest.
E) The team's computer hardware was outdated.

Question 21

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) Referential integrity module
B) Data definition diagram
C) Entity-relationship diagram
D) Relationship dictionary
E) Data dictionary

Question 22

Microsoft Access is a database management system for large mainframes computers.

Question 23

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) stores definitions of data elements.

Question 24

The logical view of a database:

A) shows how data are organized and structured on the storage media.
B) presents an entry screen to the user.
C) allows the creation of supplementary reports.
D) presents data as they would be perceived by end users.
E) shows the relationships between entities and attributes.

Question 25

Non-relational databases:

A) store information in an unstructured format.
B) use rows and columns to organize data.
C) are used to store structured and unstructured data.
D) are used to store low volumes of transactional data.
E) use database-mapping to normalize relations.

Question 26

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

Question 27

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) specifies the content of the database.

Question 28

A DBMS makes the:

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

Question 29

The small publishing company you work for wants to create a new database for storing information about all of their author contracts. What difficulties do you anticipate?

Question 30

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

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

Question 31

A grouping of characters into a word, a group of words, or a complete number is called a tuple

Question 32

Both Oracle and Microsoft Access use SQL to retrieve information from a database.

Question 33

DBMS simplify how end users work with databases by separating the logical and physical views of the data.

Question 34

DBMS typically include report-generating tools in order to:

A) retrieve and display data.
B) display data in tables.
C) display data in graphs.
D) perform predictive analysis.
E) display data in an easier-to-read-format.

Question 35

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) select, from, and join.
E) who, what, and where.

Question 36

Which of the following allows users to add, change, delete, or retrieve data in a database?

A) Attribute generation
B) Report generation tools
C) Data dictionary
D) Query wizard tool
E) Data manipulation language

Question 37

A small publishing company that you work for would like to develop a database that keeps track of the contracts that authors and publishers sign before starting a book. What fields do you anticipate needing for this database? Identify at least seven fields. Which of these fields might be in use in other databases within the firm?

Question 38

A foreign key is a field that links to a separate table.

Question 39

What types of relationships are possible in a relational database? Describe and give an example of each.

Question 40

A logical view of data shows data as it is organized on the storage media.

Question 41

In terms of the data relationships found by data mining, 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) classification when no groups have yet been defined.

Question 42

A data mart usually can be constructed more rapidly and at lower cost than a data warehouse because:

A) it typically focuses on a single subject area or line of business.
B) all the information is historical.
C) it uses a web interface.
D) all of the information belongs to a single company.
E) it is open-source.

Question 43

What are some of the benefits of using the cloud as a database platform?

Question 44

MongoDB and SimpleDB are both examples of:

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

Question 45

Big data refers to any database that:

A) contains more than one petabyte of data.
B) discovers patterns in data.
C) has a large volume and variety of data.
D) includes data from thousands of websites.
E) stores data in rows and columns.

Question 46

Which of the following enables users to view the same data in different ways using multiple dimensions?

A) Hadoop
B) SQL
C) Big data
D) Data mining
E) OLAP

Question 47

Which of the following statements about data warehouses is not true?

A) They store supply data to be used across the enterprise for management analysis and decision making.
B) Data warehouse systems provide a range of ad hoc and standardized query tools, analytical tools, and graphical reporting facilities.
C) They may include data from website transactions.
D) Data warehouse systems provide easy-to-use tools for managers to easily update data.
E) Data warehouses make data available for anyone to access as needed.

Question 48

Capabilities and tools to manage and analyze large quantities and different types of data from multiple sources are collectively known as:

A) DSS.
B) business intelligence infrastructure.
C) OLAP.
D) data mining.
E) in-memory computing.

Question 49

A ________ is a repository for raw unstructured data or structured data that for the most part have not yet been analyzed.

A) data mart
B) data warehouse
C) dashboard
D) data lake
E) relational DBMS

Question 50

Data mining is more ________ than OLAP.

A) data-focused
B) multidimensional
C) query oriented
D) discovery driven
E) streamlined

Question 51

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

Question 52

The select operation in a relational database joins records from different tables.

Question 53

Which of the following database types would be best suited for storing multimedia?

A) SQL DBMS
B) Open source DBMS
C) Non-relational DBMS
D) Cloud-based database
E) NoSQL DBMS.

Question 54

OLAP is a tool that enables users to:

A) obtain online answers to ad hoc questions in a rapid amount of time.
B) view both logical and physical views of data.
C) quickly diagram data relationships.
D) normalize data.
E) find hidden patterns in large databases.

Question 55

Describe the process of querying and reporting in a database using DBMS.

Question 56

Data mining is a tool for allowing users to:

A) quickly compare transaction data gathered over many years.
B) perform multidimensional data analysis.
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) find hidden relationships in data.

Question 57

In terms of the data relationships found by data mining, sequences 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) classifications when no groups have yet been defined.

Question 58

All of the following are tools or technologies for extracting information from unstructured data sets except:

A) sentiment analysis software.
B) SQL queries.
C) Hadoop.
D) a non-relational DBMS.
E) text mining.

Question 59

Pre-configured hardware-software systems that use both relational and non-relational technology optimized for analyzing large data sets are referred to as:

A) hybrid DBMS.
B) Hadoop.
C) BI.
D) analytic platforms.
E) data marts.

Question 60

In clustering, a data mining tool will find:

A) new groupings within data.
B) related predictions from existing values.
C) several events grouped by time.
D) new associations.
E) forecasts for future events.

Question 61

A data warehouse extracts current and historical data from multiple operational systems in an organization.

Question 62

In-memory computing relies on a computer's main memory for storing data.

Question 63

Businesses use ________ tools to search and analyze unstructured data sets, such as emails and memos.

A) Hadoop
B) web mining
C) text mining
D) OLAP
E) DBMS

Question 64

CGI is a specification for processing data on a web server.

Question 65

Which of the following would you use to find out which websites with content related to database design were the most often linked to by other websites?

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

Question 66

Web servers can directly access a firm's back-end databases using HTML.

Question 67

Text mining is the discovery of useful patterns on the web.

Question 68

Hadoop is a(n):

A) NoSQL database technology that stores both data and procedures acting on the data as objects.
B) data mining platform designed for storing and analyzing big data produced by web communications and transactions.
C) open source software framework designed for distributing data-processing over inexpensive computers.
D) pre-configured hardware-software system designed for analyzing big data.
E) high-speed platform used to analyze large data sets.

Question 69

OLAP enables users to view data from different perspectives.

Question 70

Links coming out of an online document are a sign of:

A) richness or variety of topics covered.
B) popularity.
C) data quality.
D) data usage.
E) marketing.

Question 71

Hadoop is an open source software framework for processing large quantities of any type of data, including video and Twitter feeds.

Question 72

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

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

Question 73

Which of the following is an example of a company whose business model is based on access to large databases through the web?

A) Gartner
B) Fortune
C) IBM
D) Microsoft
E) Facebook

Question 74

Links pointing to an online document are a sign of:

A) richness or variety of topics covered.
B) popularity.
C) data quality.
D) data usage.
E) marketing.

Question 75

A data ________ stores current and historical data of potential interest to decision makers throughout the company.

A) warehouse
B) mart
C) archive
D) mine
E) center

Question 76

Sentiment analysis is used to identify patterns in blogs and social media conversations to detect favorable and unfavorable comments.

Question 77

A data warehouse is best used for storing unstructured data.

Question 78

OLAP is used to quickly find answers to ad hoc questions.

Question 79

A(n) ________ is a dedicated computer in a client/server environment that hosts a DBMS.

A) web server
B) online server
C) database server
D) client server
E) application server

Question 80

Two key services of Hadoop are HDFS and HBase non-relational database.