Databases - Adaptive Reading Assignment

Which of the following statements describe the capabilities of relational database management system (RDBMS)? More than one answer may be correct. - RDBMS focus on web-based retrieval of data. - RDBMS allow users to view, add, revise, and remove data. - RDBMS have features that support the quality and security of data. - RDBMS allow users to analyze both structured and nonstructured data.

- RDBMS allow users to view, add, revise, and remove data. - RDBMS have features that support the quality and security of data.

Which statement explains the difference between a database and a database management system (DBMS)? - Organizations often create their own databases but usually purchase - DBMS software from other companies. - A DBMS is a software program designed to organize and administer databases. - A DBMS is a collection of tables, relationships, and metadata; a database is used to organize data.

A DBMS is a software program designed to organize and administer databases.

What is the purpose of an SQL statement? - Answer questions about the database - Create an entity relationship diagram - Analyze nonstructured data - Organize data into tables based on structured groupings

Answer questions about the database

In analyzing transactions, Walmart discovered that many people who buy Children's Tylenol in their stores also buy orange juice in the same transaction. They used this information to discount Children's Tylenol but raise the price of orange juice during flu season. What is the name of the approach Walmart used to discover this information? - Business intelligence software - Big data - Data volume - The cloud

Big data

In the ClassList table, the primary key is probably the __ field. - Year - Subject - Professor - Classnumber

Classnumber

Which type of database maintains the hardware and operating system offsite and is accessed via Internet-based applications? - Database management system - SQL database - Cloud database - NoSQL database

Cloud database

What element of a database field specifies the data in a field such as text, numeric, or date/time? - Data Specificity - Data Configuration - Data Type - Data Mart

Data Type

How are data marts different from data warehouses? - Data marts combine data from an organization's data warehouse with new data obtained from other sources. - Data marts are stand-alone, departmental data systems, while data warehouses are an integrated, enterprise-level system. - Data marts contribute to an organization's data warehouse by supplying the data from one department or function. - Data marts focus on an individual department or business function and manage less data than a data warehouse.

Data marts focus on an individual department or business function and manage less data than a data warehouse.

What term describes the process organizations use to discover meaningful relationships and patterns among the data sets it has collected? - Data mining - Data integrity - Business Intelligence - Big data

Data mining

Brooks Accounting is no stranger to audits—for their customers. Managers discovered some issues in services and billing they suspected were linked to their database practices rather than to employee competence. Brooks hired an outside firm to perform a data quality audit. Which statement best describes how the audit process identified problems? - Data improved according to specific rules and procedures. - Mapping helped transform poor quality source data. - New processes were formed to manage data consistently. - Data profiling analyzed the accounting firm's data sources.

Data profiling analyzed the accounting firm's data sources.

Which statement best summarizes how organizations use data warehouses? - Data warehouses are used to store data from multiple sources for collective analysis. - Data warehouses are used to grant access to data from multiple sources via a single entry point. - Data warehouses are used to combine and cross-check similar data from multiple sources. - Data warehouses are used to regularly collect and store data from multiple sources.

Data warehouses are used to store data from multiple sources for collective analysis.

Which statement best summarizes how organizations use data warehouses? - Data warehouses are used to store data from multiple sources for collective analysis. - Data warehouses are used to grant access to data from multiple sources via a single entry point. - Data warehouses are used to regularly collect and store data from multiple sources. - Data warehouses are used to combine and cross-check similar data from multiple sources.

Data warehouses are used to store data from multiple sources for collective analysis.

Which statement best explains why traditional file systems have certain issues? - Each file is independent of another file in a traditional system. - Traditional systems maintain an organization's records and files on paper. - Computerized systems are faster and easier to use than manual systems. - Database management systems (DBMS) are computerized and traditional systems are manual.

Each file is independent of another file in a traditional system.

Which of these steps in the data mining process most likely involves the actual "mining" or "Knowledge Discovery in Data"? - Data gathering and preparation - Knowledge deployment - Problem definition - Model building and evaluation

Model building and evaluation

Why is it important for all organizations, no matter how small, to create and implement organizational information policies? - Organizational data are a critical asset; it is important to ensure its security. - The corporation will not be able to make predictions using the data unless there are policies surrounding the database's design. - The data will not have any value to the organization without policies surrounding its structure and who has access to it. - Organizational data will be accessed through the web, and therefore need to conform to local laws.

Organizational data are a critical asset; it is important to ensure its security.

So that users can find specific information quickly by using filters based on specific criteria, databases allow the creation of ___. - records - queries - fields - reports

Queries

A database provides the capability of conducting searches or asking questions. A question or search for information in a database is called a ___.

Query

Which of the following is a task that an SQL statement would be expected to perform? - Maintain data integrity - Create relationships between data - Retrieve data - Organize data into a tabular structure

Retrieve data

Which statement best summarizes how a data governance (DG) plan is created? - The plan is limited by what is technically possible, given the available technology. - The plan is based on the need to comply with government regulations for data security. - The plan is developed from departmental plans that are merged into one for the whole organization. - The plan is tailored to the organization's specific goals, objectives, and activities.

The plan is tailored to the organization's specific goals, objectives, and activities.

Why do large, data-driven companies use analytic platforms? - They must check the performance of multiple, diverse business areas without interfering with their operations, so they need an isolated system for analyzing data. - They generate vast amounts of organizational data and need to be able to rapidly analyze and interpret this information to make informed business decisions. - They conduct most or all of their operations online, so they need the additional cybersecurity that only an advanced, high-performing analytic platform can provide. - They use only the latest, highest performing technologies in order to reinforce their brand, and analytic platforms are the most advanced means of analyzing data.

They generate vast amounts of organizational data and need to be able to rapidly analyze and interpret this information to make informed business decisions.

What is the primary role of a database administrator (DBA)? - To monitor the database and ensure that it functions when needed - To create, monitor, and troubleshoot employees' user accounts. - To ensure that the database is up to date and regularly backed up - To create queries and generate requested data reports

To monitor the database and ensure that it functions when needed

Data mining is best described as ______. - a research and analysis technique in which data analysts employ mathematical tools and artificial intelligence (AI) to search large volumes of data and discover less-obvious patterns and trends - the process in which businesses create a strategy and action plan based on what their data mining software has identified, modeled, and predicted from their data - the only means of mathematically analyzing data sets that are too large for online analytical processing (OLAP) software and simpler tools to handle - a type of artificial intelligence (AI) program that uses statistics to automatically identify negative trends, likely outcomes, and corrective steps or actions to take

a research and analysis technique in which data analysts employ mathematical tools and artificial intelligence (AI) to search large volumes of data and discover less-obvious patterns and trends

Organizations often use data scrubbing software because it ______. - helps build table structure in relational databases to ensure referential integrity - automatically analyzes data, then fixes any errors, and consistently formats the data according to an organization's guidelines - continuously checks new data - creates rules and procedures for organizations to use in their regular data analysis and correction processes

automatically analyzes data, then fixes any errors, and consistently formats the data according to an organization's guidelines

Referential integrity states that structural relationships in relational databases must ______. - perform CRUD functions: users may create, read, update, and delete data fields - allow for data retrieval: SQL or customized languages may be used - be consistent: a foreign key field that references a primary key field must agree with that primary key - remain secure: primary keys should not be deleted

be consistent: a foreign key field that references a primary key field must agree with that primary key

Establishing how an organization manages its data and making sure the organization adheres to these methods is a function called ______. - business intelligence - data normalization - data administration - quality auditing

data administration

Data integrity is increased when ______. - the system ensures data security - data are centralized - a database functions in a relational manner - data are stored in multiple places

data are centralized

The practice of data scrubbing is a vital part of data quality management because it ______. - Interfaces with a firm's business intelligence system to augment decision making - provides automatic backup to a Cloud or hard drive to prevent data loss - is performed as the final stage of a data quality audit to increase relevance - ensures ongoing data validity by identifying and then fixing data errors

ensures ongoing data validity by identifying and then fixing data errors

Organizations use data warehouses mainly to ______. - provide a single gateway to data from multiple sources - check the veracity of similar data from multiple sources - facilitate the analysis of data from multiple sources - provide Internet security

facilitate the analysis of data from multiple sources

When you need to link two tables in a database that do not have a field in common, one solution is to create a ___. - secondary key - false key - foreign key - Supplemental field

foreign key

The primary purpose of a business intelligence (BI) system is to ______. - create a model of business operations using multiple data sources - lower the cost of administration by automating routine operations - predict which of a business' competitors may pose a serious threat - help a business make strategic decisions based on its own data

help a business make strategic decisions based on its own data

A database management system (DBMS) is a computer program that is used to ______. - collect tables, relationships, and metadata - exclusively develop software for databases - manage all types of programs on a network - help organize the data found in a database

help organize the data found in a database

A company's periodic web mining exercise to determine its best-selling products resulted in the discovery that a product sold in conjunction with a movie released 10 years ago has recently become coveted by nostalgia fans. The company redesigned its website so that interested consumers can purchase the product right on the homepage. This company has used web mining to ______. - improve site usability - improve site visibility - improve site accessibility

improve site usability

Businesses can use in-memory computing to conduct or support almost any task that ______. - involves the near-instantaneous processing and analysis of huge volumes of data - requires new or additional software to complete or carry out as intended - requires the full RAM storage and processing capability of the user's operating system - must be performed without access to the Internet or a satellite network

involves the near-instantaneous processing and analysis of huge volumes of data

In the relationship shown in the image, the Owners table is linked to the Pets table by a one-to-many relationship. This means that each entry in the OwnerID field can be linked to many ___. - OwnerLastNames - Pets - Owners - FK OwnerIDs

pet

In a relational database, an important field that contains a unique value that identifies each record as individual is the ___ key.

primary

The Important goals of data governance (DG) are to ______. - produce updated data and share it with regulatory agencies and large and small investors - protect data from risk, misuse, regulatory noncompliance, and quality and cost issues - ensure data are correctly formatted for all of the organization's databases, platforms, and systems - increase data's value to an organization by growing, developing, marketing, and selling it

protect data from risk, misuse, regulatory noncompliance, and quality and cost issues

In a relational database, such as Microsoft Access, a collection of related fields in a data file is called a ___.

record

A link between tables in a relational database that defines how the data are related is called a _____. - partnership - relationship - link - join

relationship

Forms allow data to go into a database, ___ displays information coming out of a database.

reports

To display or distribute information from a database, programmers or database administrators create ___. - records - reports - forms - tables

reports

A relational database management system (RDBMS) is a type of DBMS whose primary function is to ______. - employ a row-and-column table structure - allow data to be created, read, updated, deleted, and stored - centralize data - show how data are connected through relationships

show how data are connected through relationships

The primary characteristic of a relational database is that it ______. - stores and allows access to data objects that are related to one another - organizes data in a tabular format so the user can form relationships upon request. - interfaces with other databases to create data relationships - accesses information from web sources to augment data integrity

stores and allows access to data objects that are related to one another

Which of the following are examples of data objects that a relational database management system (RDBMS) may include? More than one answer may be correct. - Important charts and graphs - Addresses of the company's wholesalers and the number of items in a company's inventory - Names of customers and records of when merchandise was returned

- Addresses of the company's wholesalers and the number of items in a company's inventory - Names of customers and records of when merchandise was returned

Which of the following are advantages of cloud databases over a traditional database? More than one answer may be correct. - Can be accessed through an application programming interface (API) - Provides increased local control of database features - Are maintained by an external provider, such as Amazon or Oracle - Can support both SQL and NoSQL databases

- Can be accessed through an application programming interface (API) - Are maintained by an external provider, such as Amazon or Oracle - Can support both SQL and NoSQL databases

To control how information is entered into a database, programmers and database administrators create ___ to help ensure data integrity. - records - forms - relationships - tables

forms

A query is a request for information stored in a database. One of the benefits of using a database to store information is the ability to run a query. In relational database management systems (RDBMS), there are a variety of query tools that are used to execute and run queries. Which of the following are tools used to run queries in an RDBMS? More than one answer may be correct. - SQL specific queries - Crosstab queries - Action queries - Spreadsheet queries

- SQL specific queries - Crosstab queries - Action queries

Which statement most accurately describes the value of data integrity to an organization? - An organization's most efficient databases use data structures to create relationships and allow for data integrity. - To achieve data integrity, a company goal should be to improve data management practices before investing in a database. - Data integrity in a company database depends exclusively on the achievement of centralization. - Databases and database management system (DBMS) with a high level of data integrity enable more efficient data maintenance in support of organizational goals.

Databases and database management system (DBMS) with a high level of data integrity enable more efficient data maintenance in support of organizational goals.

For which task is a data mart more useful or appropriate than a data warehouse? - Evaluating the company's data infrastructure and integration to identify redundancies and cut costs - Resolving a current problem with a specific type of inventory, purchase transaction, or supply chain - Comparing sales from previous years to help gauge the effectiveness of the marketing department - Determining which departments or divisions of a company are profitable and which are losing money

Resolving a current problem with a specific type of inventory, purchase transaction, or supply chain

Which statement best summarizes the primary advantages of performing a data quality audit? - The audit uses a process of assessment, design, transformation, and monitoring to arrive at recommendations. - The audit recommends ways the organization can improve its data quality and reduce costs through increasing data consistency. - The audit recommends ways the organization can improve its data security. - The audit allows the organization to evaluate its data by comparing it to high-quality test data.

The audit recommends ways the organization can improve its data quality and reduce costs through increasing data consistency.

Database management system (DBMS) make it easier to secure data and information because they ______. - prevent duplication of data - allow records to be easily updated - allow for the creation of access constraints - are less expensive than traditional systems

allow for the creation of access constraints

Organizing data so that data are in simple tables without any redundancies is known as __________. - data scrubbing - data administration - data mining - data normalization

data normalization

Forms structure data input to help ensure data ___, meaning the information entered is accurate, timely, and useful.

integrity or accuracy

Which of the following is an example of what an information policy could specify? More than one answer may apply. - A large corporation grants access to salary information to the direct supervisors of employees and to members of the Human Resources department who administer payroll. - A health insurance company stores data that patients self-report as inputs on its website, but does not link that data with information about the patient's search history. - An internal memo at a small corporation outlines how their policies meet local government requirements. - A user agreement on a website indicates that it will store the browsing history linked to the IP address for an indefinite amount of time and reserves the right to sell that information to interested parties.

- A large corporation grants access to salary information to the direct supervisors of employees and to members of the Human Resources department who administer payroll. - A health insurance company stores data that patients self-report as inputs on its website, but does not link that data with information about the patient's search history. - A user agreement on a website indicates that it will store the browsing history linked to the IP address for an indefinite amount of time and reserves the right to sell that information to interested parties.

Which of the following is an example of why a database should be accessible through the web? More than one answer may apply. - A small distributor with limited staffing wants customers to be able to track the status of their orders without having to contact a customer service representative. - A large company is in the beginning stages of a new product that it anticipates will completely change their market. At this point of development, the company wants only a very limited number of employees have access to information regarding this product. - A large portion of a company's workforce are contract workers who work offsite, using their own devices to complete their work. - A company has recently scaled its operations so that it competes internationally and needs business partners all over the world to have access to its database.

- A small distributor with limited staffing wants customers to be able to track the status of their orders without having to contact a customer service representative. - A large portion of a company's workforce are contract workers who work offsite, using their own devices to complete their work. - A company has recently scaled its operations so that it competes internationally and needs business partners all over the world to have access to its database.

Which of the following is an example of a web experience that could be improved by web mining? More than one answer may be correct. - A large company wants to know how many people purchased items from its site on the previous Black Friday to predict what this year's sales will be. - A small online retailer has noticed that most people viewing products from its gaming pages browse for about 5 minutes and end up making purchases, but over 75 percent of people viewing products from its home goods pages leave within the first 30 seconds. It wants information on how the two pages are different. - A travel company wants to know what amenities people search for before booking a hotel for a vacation so that the company can increase the coverage of those amenities on their website. - A subscription learning app that targets kindergarten students wants to meaningfully update its lessons so that visually impaired children can use them.

- A small online retailer has noticed that most people viewing products from its gaming pages browse for about 5 minutes and end up making purchases, but over 75 percent of people viewing products from its home goods pages leave within the first 30 seconds. It wants information on how the two pages are different. - A travel company wants to know what amenities people search for before booking a hotel for a vacation so that the company can increase the coverage of those amenities on their website. - A subscription learning app that targets kindergarten students wants to meaningfully update its lessons so that visually impaired children can use them.

Which of the following would be a reason why an organization would use web usage mining? More than one answer may be correct. - A nonprofit organization is interested in knowing the number of photos and blog posts other similar nonprofits include in their web page. - An e-commerce business looking to improve the customer experience on its website to boost sales wants to know what types of sites users go to after visiting their website and putting items in their cart, but not completing a purchase. - A local retailer is looking to increase their online sales and wants to know the types of pages and links a local competitor includes on their website. - A new social media platform wants to increase engagement and is looking to know what content its most frequent users spend the most time engaging with.

- An e-commerce business looking to improve the customer experience on its website to boost sales wants to know what types of sites users go to after visiting their website and putting items in their cart, but not completing a purchase. - A new social media platform wants to increase engagement and is looking to know what content its most frequent users spend the most time engaging with.

Which of the following is an example of an organization analyzing predictive behavior with the goal of creating new offerings? More than one answer may be correct. - An in-home healthcare provider tracks the hospital readmission rates of elderly people who live alone after they received care for falling in their homes. - Netflix tracks what users who viewed all three seasons of Stranger Things also had in their queues. - Target keeps track of how many shoppers visit their stores on Sundays. - DropBox tracks how many people subscribe to their services after viewing a specific marketing e-mail.

- An in-home healthcare provider tracks the hospital readmission rates of elderly people who live alone after they received care for falling in their homes. - Netflix tracks what users who viewed all three seasons of Stranger Things also had in their queues.

Which of the following tasks are NoSQL databases designed to do? More than one answer may be correct. - Analyze nonstructured data - Manage large datasets across different platforms - Create queries from the data created from web apps - Analyze only data that have been tagged or defined

- Analyze nonstructured data - Manage large datasets across different platforms - Create queries from the data created from web apps

For which of the following tasks would it be more appropriate to use a NoSQL database than a SQL database? More than one answer may be correct. - Analyzing large volumes of data that are stored in the cloud - Managing interactions between salespeople and customers at a small company - Organizing user-generated comments from your company's Twitter, Facebook, and Instagram pages

- Analyzing large volumes of data that are stored in the cloud - Organizing user-generated comments from your company's Twitter, Facebook, and Instagram pages

Which of the following tasks are NoSQL databases designed to do? More than one answer may be correct. - Create queries from the data created from web apps - Manage large datasets across different platforms - Analyze nonstructured data - Analyze only data that have been tagged or defined

- Create queries from the data created from web apps - Manage large datasets across different platforms - Analyze nonstructured data

Which of the following sets of characteristics specifically apply to relational databases? More than one answer may be correct. - A relational database is designed to maintain data and information about various types of data including objects, events, people, and places. - When a user accesses data in a relational database for different purposes, the database tables reorganize. - Data tables in a relational database are linked by the fields they have in common. - A relational database organizes data in tables composed of records or objects (the rows), and fields (the columns).

- Data tables in a relational database are linked by the fields they have in common. - A relational database organizes data in tables composed of records or objects (the rows), and fields (the columns).

Select the two statements that correctly explain the roles of data marts and data warehouses in a decision support system (DSS). - Data warehouses are used to create valuable collections of data that organizations can sell to others, because the profits help fund the organization's enterprise-level, strategic goals. - Data warehouses are used to analyze long-term, historical data for an organization's strategic purposes, because they store data from different time periods and subject areas. - Data marts are used to analyze recent data that a department needs for operational troubleshooting and management, because they collect and measure data specific to that area. - Data marts are used to compare specific data from different departments or business functions, because the data mart for each area contains more detailed data than a data warehouse.

- Data warehouses are used to analyze long-term, historical data for an organization's strategic purposes, because they store data from different time periods and subject areas. - Data marts are used to analyze recent data that a department needs for operational troubleshooting and management, because they collect and measure data specific to that area.

Which of the following is a task that data administration would be responsible for? More than one answer may apply. - Deciding that the organization will begin collecting and storing users' locations upon the release of the next generation software for its mobile app. - Ensuring that the data collected are accurate and representative of the organization's target audience. - Determining that two-factor identification must be used to access data that the company has determined to be confidential. - Defining policies stating that employees may not share data with people who are not employees of the organization.

- Deciding that the organization will begin collecting and storing users' locations upon the release of the next generation software for its mobile app. - Determining that two-factor identification must be used to access data that the company has determined to be confidential. - Defining policies stating that employees may not share data with people who are not employees of the organization.

Which of the following correctly describes a type of data mart? More than one answer may be correct. - Independent data marts are separate from a data warehouse and are created in order to collect data relating only to particular business functions. - Enterprise data marts combine data from related departments to create warehouses. - Dependent data marts extract data from a data warehouse when it is needed. - Hybrid data marts combine data from a data warehouse and other collection systems. - Top-down data marts are designed by department heads to serve specific functions.

- Independent data marts are separate from a data warehouse and are created in order to collect data relating only to particular business functions. - Dependent data marts extract data from a data warehouse when it is needed. - Hybrid data marts combine data from a data warehouse and other collection systems.

Why is online analytical processing (OLAP) software included in many business intelligence (BI) software applications? More than one answer may be correct. - It allows for sophisticated data and trend analysis, data modeling, and forecasting. - It stores information in relational databases that most users are already familiar with. - It allows reports and analytics to be exported to more user-friendly, front-end tools. - It allows users to view data from different perspectives or angles and gain new insights. - It focuses on financial business data and multiple dimensions of financial markets.

- It allows for sophisticated data and trend analysis, data modeling, and forecasting. - It allows reports and analytics to be exported to more user-friendly, front-end tools. - It allows users to view data from different perspectives or angles and gain new insights.

Which of the following tasks can businesses perform with the help of in-memory computing? More than one answer may be correct. - Predicting the impact of news on stock prices and conducting immediate transactions - Alerting online customers that the desired item is out of stock, before the order is placed - Mapping alternate driving routes to help truckers avoid bad weather and traffic jams - Collecting information from new customers to quickly enroll them into a program

- Predicting the impact of news on stock prices and conducting immediate transactions - Alerting online customers that the desired item is out of stock, before the order is placed - Mapping alternate driving routes to help truckers avoid bad weather and traffic jams

Which of the following improvements might be the direct outcome of a data quality audit? More than one answer may be correct. - Recommendations for a new data management design and prescriptions for preserving data quality - Suggestions for data governance policies and cost-saving procedures. - Elimination of redundant metadata and strengthened referential integrity - Corrections in source data issues and ways to examine data over time

- Recommendations for a new data management design and prescriptions for preserving data quality - Elimination of redundant metadata and strengthened referential integrity - Corrections in source data issues and ways to examine data over time

Which of the following statements correctly describes referential integrity? More than one answer may be correct. - A language that is specific to the needs of the organization allows for referential integrity in a database. - Relational database users should take steps to link orphaned records with primary key fields to ensure referential integrity. - Referential integrity applies to data quality within the structure of a relational database. - For referential integrity to exist, data on both sides of the table relationship must be present.

- Referential integrity applies to data quality within the structure of a relational database. - For referential integrity to exist, data on both sides of the table relationship must be present.

From the following list, select all of the examples of a relationship that an entity-relationship diagram (ERD) could be used to describe. - The courses a student is taking - The employees who report to a specific manager in an organizational chart - Products a customer has ordered - The birthdate of an employee in an organizational chart

- The courses a student is taking - The employees who report to a specific manager in an organizational chart - Products a customer has ordered

Which of the following statements correctly describes a defining characteristic of Big Data? More than one answer may be correct. - The data are automatically collected and processed or analyzed at least once daily. - The data are measured in terabytes (trillions of bytes) or even larger units. - The data are accurate and have been verified across multiple, separate sources. - The data are from structured and unstructured sources and exist in multiple forms.

- The data are measured in terabytes (trillions of bytes) or even larger units. - The data are from structured and unstructured sources and exist in multiple forms.

Which of the following is an example of the type of information data mining can yield? More than one answer may be correct. - The likelihood of a Gen-X female who makes $50,000 and is divorced with no children will take a trip within a year of her divorce being finalized - Middle-aged males who are members of their local church bible study group are more inclined to vote than younger males who are also members of local bible study groups. - How much a 23-year-old male college student will spend on a new car after starting his first job

- The likelihood of a Gen-X female who makes $50,000 and is divorced with no children will take a trip within a year of her divorce being finalized - Middle-aged males who are members of their local church bible study group are more inclined to vote than younger males who are also members of local bible study groups.

Which of the following is an example of an advantage of being able to access a database via the web? More than one answer may be correct. - Turnover among telephone customer service representatives at your company is high and they receive only brief training before they interact with customers. Reps need to be able to access your sales database to assist customers who call. - A company wants to ensure that the data it keeps on its database are secure and cannot be accessed by unauthorized users. - Your company needs suppliers in all countries to be able to access your inventory database. - Your product is primarily sold in developing countries where most of your suppliers are small business owners who access the Internet via a mobile device instead of a computer.

- Turnover among telephone customer service representatives at your company is high and they receive only brief training before they interact with customers. Reps need to be able to access your sales database to assist customers who call. - Your company needs suppliers in all countries to be able to access your inventory database. - Your product is primarily sold in developing countries where most of your suppliers are small business owners who access the Internet via a mobile device instead of a computer.

Relational database management systems (RDBMS) have a variety of tools that can be used to execute/run queries. One of these query tools is the ability to execute/run action queries. Which of the following are common types of action queries? More than one answer may be correct. - Update query - Delete query - Parameter query - Append query

- Update query - Delete query - Append query

For the past 10 years, a restaurant has been running a customer loyalty program, rewarding customers with discounts and treats. Records of these rewards have been kept in odd notes and multiple spreadsheets used in different ways by various employees who have come and gone over the years. Because of this, some customers are not getting their rewards, while others are receiving rewards they have not earned. Overall, the restaurant is losing money and business with this program. How can a database management system (DBMS) help with this problem? - A DBMS will help the owners manage the data they already have to run their customer loyalty program more efficiently. - Using a DBMS will bring in more customers to the restaurant. - Using a DBMS will help the restaurant owners continue to serve high-quality food and manage employee payroll.

A DBMS will help the owners manage the data they already have to run their customer loyalty program more efficiently.

How does the structure of an online analytical processing (OLAP) database shape its core functionality? - Its tight integration with popular, front-end tools such as Microsoft Excel enables users to create more user-friendly views of data and complex reports with illustrative graphs, including three-dimensional graphs and simulations. - Its use of data cubes allows users to conduct complex queries, analyses, and modeling by taking multiple dimensions of data (types or levels) into account and viewing data from multiple viewpoints or "slices" (such as by date and location). - Its ability to link online databases and offline, back-end databases in different locations allows users to conduct simultaneous queries and analysis of multiple stores of data that have not been aggregated or collected in a data warehouse.

Its use of data cubes allows users to conduct complex queries, analyses, and modeling by taking multiple dimensions of data (types or levels) into account and viewing data from multiple viewpoints or "slices" (such as by date and location).

A mid-sized independent hardware store has recently merged with a large national chain. The local owners have long used a reliable database to manage inventory. Their database has been essential in balancing orders for seasonal merchandise with the problem of limited shelf space. The merger will soon entail managing many more types of data, as the national chain has approved lists of suppliers, precise requirements for recording transactions, specific human resources procedures, and more. Which statement best summarizes what the local managers will be able to do for the first time when they start using the parent company's database management system (DBMS)? - The managers will be able to create, edit, and store data in a secure manner across all data types required by the parent company. - The managers can reorganize their file management system to meet the requirements of the national organization. - The managers will be able to input and store data based on customer needs to better improve decisions concerning seasonal inventory. - The managers can set up controls to limit access to the information contained in their databases as never before.

The managers will be able to create, edit, and store data in a secure manner across all data types required by the parent company.

Why must database administrators (DBA) be trained or experienced in using an organization's specific database platform? - They must know the correct way to enter and format new data in the database. - They must know which data queries and reports can answer specific questions. - They must know how to back up the database and schedule regular backups. - They must troubleshoot or solve problems with the database when necessary.

They must troubleshoot or solve problems with the database when necessary.

A leading manufacturer of fitness trackers partners with a large health insurance network. Insurance network members receive a discounted fitness tracker and financial rewards for setting and achieving tracked personal fitness goals. Which characteristic of the resulting Big Data would be most directly affected by a tracker software error that counted users' arm movements as steps? - Volume - Veracity - Variety - Velocity

Veracity

A corporate sales organization is hosting its annual regional meeting. It needs to book a hotel within the region where attendees will stay for three days and two nights. The hotel must have: 30 standard hotel rooms for its sales reps, 5 suites for the regional managers, and 5 conference rooms to hold training sessions. There also must be two restaurants within walking distance of the hotel that can accommodate a dinner reservation for 40 people. Which web mining technique would the organization use to narrow down the choices of hotels to those that fit these parameters? - Web structure mining - Web usage mining - Web content mining

Web content mining

The four steps in a data quality audit are ______. - assessment, design, transformation, and monitoring - profiling, graphing, mapping, and rule adherence - examination, analysis, correction, and validation - evaluation, structuring, correcting, and maintenance

assessment, design, transformation, and monitoring