Chapter 6 review

Select the three terms for the data elements associated with an entity.

- Columns - Attributes - Fields

Select the four functions that a database management system can perform on data in a database.

- Delete data - Update data - Read data - Create data

Select the three advantages of a data-driven website.

- Easy to eliminate human errors - Easy to manage content - Easy to store large amounts of data

Which of the following reflect the business advantages of a relational database?

- Increased information security - Increased information integrity - Reduced information redundancy

Select the four primary traits of the value of information.

- Information governance - Information quality - Information timeliness - Information type

Select three examples of analytical information.

- Market projections - Future growth projections - Sales trends

Select the four primary reasons low-quality information occurs in a system.

- Third-party and external information contains inconsistencies and errors. - Data-entry personnel enter abbreviated information to save time. - Online customers intentionally enter inaccurate information to protect their privacy. - Different systems have different information entry standards and formats.

Select all the activities for which transactional information is created.

- Withdrawing cash from an ATM - Making airline reservations - Purchasing stocks

Which of the following maintains information about various types of objects (inventory), events (transactions), people (employees), and places (warehouses)?

A database

__________ information encompasses all organizational information, and its primary purpose is to support the performance of managerial analysis or semistructured decisions.

Analytical

__________ critical integrity constraints enforce business rules vital to an organization's success and often require more insight and knowledge than relational integrity constraints.

Business

What defines how a company performs certain aspects of its business and typically results in either a yes/no or true/false answer?

Business rule

Who is the person responsible for creating the original website content?

Content creator

Who is the person responsible for updating and maintaining website content?

Content editor

What is the smallest or basic unit of information?

Data element

Select a term that is a synonym for data element, the smallest or basic unit of information in a database.

Data field

What refers to the overall management of the availability, usability, integrity, and security of company data?

Data governance

What occurs when a system produces incorrect, inconsistent, or duplicate data?

Data integrity issues

What are logical data structures that detail the relationships among data elements using graphics or pictures?

Data models

What is an interactive website that uses a database to constantly update in order to remain relevant to the needs of its customers?

Data-driven website

What creates, reads, updates, and deletes data in a database while controlling access and security?

Database management system

Information granularities

Detail, summary, aggregate

Information formats

Documents, presentations, spreadsheets, database

What is an area of a website that stores information about products in a database?

Dynamic catalog

What includes data that change based on user actions?

Dynamic information

What is stored in a dynamic catalog, or an area of a website that stores information about products in a database?

Dynamic website information

Select the statement that accurately defines the relationship between entities and attributes in a relational database.

Each attribute of an entity occupies a separate column of a table.

Transactional information

Encompasses all of the information contained within a single business process or unit of work, and its primary purpose is to support daily operational tasks.

Analytical information

Encompasses all organizational information, and its primary purpose is to support the performing of managerial analysis tasks.

Select the term that refer to storing information about a person, place, thing, transaction, or event.

Entity

True or false: Information in an organization exists only a few departments, such as sales and marketing.

False

What is a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables?

Foreign key

What takes information entered into a given system and sends it automatically to all downstream systems and processes?

Forward integration

Information levels

Individual, department, enterprise

What refers to the extent of detail within the information?

Information granularity

What occurs when the same data element has different values?

Information inconsistency

Which of the following is a measure of the quality of information?

Information integrity

________ allow separate systems to communicate directly with each other, eliminating the need for manual entry into multiple systems.

Integrations

What are rules that help ensure the quality of information?

Integrity constraints

Complete

Is a value missing from the information?

Consistent

Is aggregate or summary information in agreement with detailed information?

Unique

Is each transaction and event represented only once in the information?

Timely

Is the information current with respect to business needs?

accurate

Is there an incorrect value in the information?

What focuses on how individual users logically access information to meet their own particular business needs?

Logical view of information

___________ (one word) provides details about data.

Metadata

What deals with the physical storage of information on a storage device?

Physical view of information

What is a field that uniquely identifies a given record in a table?

Primary Key

Which tool helps users graphically design the answer to a question against a database?

Query-by-example

__________ -time information means immediate, up-to-date information.

Real

What is a collection of related data elements?

Records

__________ integrity constraints are rules that enforce basic and fundamental information-based constraints.

Relational

Which system allows users to create, read, update, and delete data in a relational database?

Relational database management system

What are rules that enforce basic and fundamental information-based constraints?

Relational integrity constraints

What includes fixed data incapable of change in the event of a user action?

Static information

__ data encompasses all raw facts contained within a single process and its purpose is to support daily operational tasks.

Transactional

True or false: Business-critical integrity constraints tend to mirror the very rules by which an organization achieves success.

True

True or false: Databases today scale to exceptional levels, allowing all types of users and programs to perform information processing and information-searching tasks.

True

Why does a database offer increased information security?

Various security features of databases ensure that individuals have only certain types of access to certain types of information.

Select the statement below that accurately reflects a database.

While a database has only one physical view, it can easily support multiple logical views that provides for flexibility.

A(n) __________ integration takes information entered into a given system and sends it automatically to all upstream systems and processes.

backward

Integrity __________ are rules that help ensure the quality of information.

constraints

A(n) ___________ -driven website is an interactive website kept constantly updated and relevant to the needs of its customers using a database.

data

What occurs when a company examines its data to determine if it can meet business expectations, while identifying possible data gaps or where missing data might exist?

data gap analysis

What is the time it takes for data to be stored or retrieved?

data latency

What is the management and oversight of an organization's data assets to help provide business users with high-quality data that is easily accessible in a consistent manner?

data stewardship

What includes the tests and evaluations used to determine compliance with data governance polices to ensure correctness of data?

data validation

A data ____________ compiles all of the metadata about the data elements in the data model.

dictionary

A(n) __________ key is a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.

foreign

Information ___________ refers to the extent of detail within the information (fine and detailed or coarse and abstract).

granularity

What is a broad administrative area that deals with identifying individuals in a system (such as a country, a network, or an enterprise) and controlling their access to resources within that system by associating user rights and restrictions with the established identity?

identity management

What is the practice of gathering data and ensuring that it is uniform, accurate, consistent, and complete, including such entities as customers, suppliers, products, sales, employees, and other critical entities that are commonly integrated across organizational system?

master data management

Data ___________ are logical data structures that detail the relationships among data elements using graphics or pictures.

models

One primary goal of a database is to eliminate information redundancy by recording each piece of information in _______ place(s) in the database.

only one

The ____________ view of information deals with the physical storage of information on a storage device.

physical

A(n) ________ key is a field (or group of fields) that uniquely identifies a given record in a table.

primary

A(n) _________ is a collection of related data elements.

record

Information __________ is the duplication of data, or the storage of the same data in multiple places.

redundancy

A(n) ___________ database model stores information in the form of logically related two-dimensional tables.

relational

Data _______ is responsible for ensuring the policies and procedures are implemented across the organization and acts as a liaison between the MIS department and the business.

steward

A(n) __________ query language asks users to write lines of code to answer questions against a database.

structured

Real-time __________ provide real-time information in response to requests.

systems

Data _______ includes the tests and evaluations used to determine compliance with data governance polices to ensure correctness of data.

validation

When do Information Integrity Issues occur?

when a system produces incorrect, inconsistent, or duplicate data