Home > Store

CompTIA Data+ DA0-001 Exam Cram Premium Edition and Practice Test

Premium Edition eBook

  • Your Price: $47.99
  • List Price: $59.99
  • About Premium Edition eBooks
  • The Premium Edition eBook and Practice Test is a digital-only certification preparation product combining an eBook with enhanced Pearson Test Prep practice tests.

    Your purchase will deliver:

    • Link to download the Pearson Test Prep exam engine
    • Access code for question database
    • eBook in the following formats, accessible from your Account page after purchase:

    EPUB The open industry format known for its reflowable content and usability on supported mobile devices.

    PDF The popular standard, which reproduces the look and layout of the printed page.

    This eBook requires no passwords or activation to read. We customize your eBook by discreetly watermarking it with your name, making it uniquely yours.

    eBook FAQ

    eBook Download Instructions

Also available in other formats.

Register your product to gain access to bonus material or receive a coupon.


  • Copyright 2023
  • Pages: 528
  • Edition: 1st
  • Premium Edition eBook
  • ISBN-10: 0-13-763751-9
  • ISBN-13: 978-0-13-763751-5

The CompTIA Data+ DA0-001 Exam Cram, Premium Edition eBook and Practice Test is a digital-only certification preparation product combining an eBook with an enhanced Pearson IT Certification Practice Test. The Premium Edition eBook and Practice Test contains the following items:

  • The CompTIA Data+ DA0-001 Exam Cram Premium Edition Practice Test, including four full practice exams and enhanced practice test features
  • PDF and EPUB formats of the CompTIA Data+ DA0-001 Exam Cram from Pearson IT Certification, accessible via your PC, tablet, and smartphone

About the Premium Edition Practice Test

This Premium Edition contains an enhanced version of the Pearson IT Certification Practice Test (PCPT) software with four full practice exams. This integrated learning package:

  • Allows you to focus on individual topic areas or take complete, timed exams
  • Includes direct links from each question to detailed explanations to help you understand the concepts behind the questions
  • Provides unique sets of exam-realistic practice questions
  • Tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most

Pearson IT Certification Practice Test minimum system requirements:

Pearson Test Prep online system requirements:

Browsers: Chrome version 73 and above, Safari version 12 and above, Microsoft Edge 44 and above.

Devices: Desktop and laptop computers, tablets running Android v8.0 and above or iPadOS v13 and above, smartphones running Android v8.0 and above or iOS v13 and above with a minimum screen size of 4.7.

Internet access required.

Pearson Test Prep offline system requirements:

Windows 10, Windows 8.1; Microsoft .NET Framework 4.5 Client; Pentium-class 1 GHz processor (or equivalent); 512 MB RAM; 650 MB disk space plus 50 MB for each downloaded practice exam; access to the Internet to register and download exam databases

About the Premium Edition eBook

CompTIA Data+ DA0-001 Exam Cram is an all-inclusive study guide designed to help you pass the new CompTIA Data+ DA0-001 exam. Prepare for test day success with complete coverage of exam objectives and topics, plus hundreds of realistic practice questions. Extensive prep tools include quizzes, Exam Alerts, and our essential last-minute review CramSheet. The powerful Pearson Test Prep practice software provides real-time assessment and feedback with two complete exams.

CompTIA Data+ DA0-001 Exam Cram, Premium Edition eBook and Practice Test covers the critical information needed to score higher on your Data+ DA0-001 exam!

  • Understand data concepts, environments, mining, analysis, visualization, governance, quality, and controls
  • Work with databases, data warehouses, database schemas, dimensions, data types, structures, and file formats
  • Acquire data and understand how it can be monetized
  • Clean and profile data so it's more accurate, consistent, and useful
  • Review essential techniques for manipulating and querying data
  • Explore essential tools and techniques of modern data analytics
  • Understand both descriptive and inferential statistical methods
  • Get started with data visualization, reporting, and dashboards
  • Leverage charts, graphs, and reports for data-driven decision-making
  • Learn important data governance concepts

Sample Content

Table of Contents

Introduction. . . . . . xx

CHAPTER 1: Understanding Databases and Data Warehouses. . . 1

Databases and Database Management Systems.. . . 2

Data Warehouses and Data Lakes.. . . . 15

OLTP and OLAP.. . . . . 24

What Next?.. . . . . . 30

CHAPTER 2: Understanding Database Schemas and Dimensions.. . 31

Schema Concepts.. . . . . 32

Star and Snowflake Schemas. . . . 37

Slowly Changing Dimensions, Keeping Historical Information, and Keeping Current Information.  . 45

What Next?.. . . . . . 51

CHAPTER 3: Data Types and Types of Data. . . . . 53

Introduction to Data Types. . . . 54

Comparing and Contrasting Different Data Types. . 60

Categorical vs. Dimension and Discrete vs. Continuous Data Types. 67

Types of Data: Audio, Video, and Images.. . . 72

What Next?.. . . . . . 86

CHAPTER 4: Understanding Common Data Structures and File Formats.. . 87

Structured vs. Unstructured Data.. . . . 88

Data File Formats.. . . . . 98

What Next?.. . . . . . 110

CHAPTER 5: Understanding Data Acquisition and Monetization. . . 111

Integration. . . . . . 112

Data Collection Methods.. . . . . 126

What Next?.. . . . . . 135

CHAPTER 6: Cleansing and Profiling Data. . . . . 137

Profiling and Cleansing Basics.. . . . 138

What Next?.. . . . . . 151

CHAPTER 7: Understanding and Executing Data Manipulation. . . 153

Data Manipulation Techniques.. . . . 154

What Next?.. . . . . . 182

CHAPTER 8: Understanding Common Techniques for Data Query Optimization and Testing... . 183

Query Optimization.. . . . . 184

What Next?.. . . . . . 206

CHAPTER 9: The (Un)Common Data Analytics Tools.. . . . 207

Data Analytics Tools.. . . . . 208

What Next?.. . . . . . 224

CHAPTER 10: Understanding Descriptive and Inferential Statistical Methods.. . 225

Introduction to Descriptive and Inferential Analysis. . 226

Inferential Statistical Methods.. . . . 238

What Next?.. . . . . . 253

CHAPTER 11: Exploring Data Analysis and Key Analysis Techniques.. . 255

Process to Determine Type of Analysis. . . 256

Types of Analysis. . . . . 265

What Next?.. . . . . . 278

CHAPTER 12: Approaching Data Visualization.. . . . 279

Business Reports. . . . . 280

What Next?.. . . . . . 297

CHAPTER 13: Exploring the Different Types of Reports and Dashboards.. . 299

Report Cover Page and Design Elements. . . 300

Documentation Elements. . . . . 316

Dashboard Considerations, Development, and Delivery Process.. 321

What Next?.. . . . . . 337

CHAPTER 14: Data-Driven Decision Making: Leveraging Charts, Graphs, and Reports. . . 339

Types of Data Visualizations.. . . . 340

Reports.. . . . . . 358

What Next?.. . . . . . 366

CHAPTER 15: Data Governance Concepts: Ensuring a Baseline. . . 367

Access and Security Requirements. . . . 370

Storage Environment Requirements.. . . . 383

Use and Entity Relationship Requirements. . . 388

Data Classification, Jurisdiction Requirements, and

Data Breach Reporting.. . . . . 399

What Next?.. . . . . . 410

CHAPTER 16: Applying Data Quality Control. . . . . 411

Data Quality Dimensions and Circumstances to Check for Quality.. 412

Data Quality Rules and Metrics, Methods to Validate Quality, and

Automated Validation.. . . . . 424

What Next?.. . . . . . 439

CHAPTER 17: Understanding Master Data Management (MDM) Concepts.. . 441

Processes.. . . . . . 442

Circumstances for MDM.. . . . . 454

What Next?.. . . . . . 458

CHAPTER 18: Getting Ready for the CompTIA Data+ Exam.. . . 459

Getting Ready for the CompTIA Data+ Exam.. . . 459

Tips for Taking the Real Exam.. . . . 461

Beyond the CompTIA Data+ Certification. . . 465

9780137637294, TOC, 11/17/2022


Submit Errata

More Information

InformIT Promotional Mailings & Special Offers

I would like to receive exclusive offers and hear about products from InformIT and its family of brands. I can unsubscribe at any time.


Pearson Education, Inc., 221 River Street, Hoboken, New Jersey 07030, (Pearson) presents this site to provide information about products and services that can be purchased through this site.

This privacy notice provides an overview of our commitment to privacy and describes how we collect, protect, use and share personal information collected through this site. Please note that other Pearson websites and online products and services have their own separate privacy policies.

Collection and Use of Information

To conduct business and deliver products and services, Pearson collects and uses personal information in several ways in connection with this site, including:

Questions and Inquiries

For inquiries and questions, we collect the inquiry or question, together with name, contact details (email address, phone number and mailing address) and any other additional information voluntarily submitted to us through a Contact Us form or an email. We use this information to address the inquiry and respond to the question.

Online Store

For orders and purchases placed through our online store on this site, we collect order details, name, institution name and address (if applicable), email address, phone number, shipping and billing addresses, credit/debit card information, shipping options and any instructions. We use this information to complete transactions, fulfill orders, communicate with individuals placing orders or visiting the online store, and for related purposes.


Pearson may offer opportunities to provide feedback or participate in surveys, including surveys evaluating Pearson products, services or sites. Participation is voluntary. Pearson collects information requested in the survey questions and uses the information to evaluate, support, maintain and improve products, services or sites, develop new products and services, conduct educational research and for other purposes specified in the survey.

Contests and Drawings

Occasionally, we may sponsor a contest or drawing. Participation is optional. Pearson collects name, contact information and other information specified on the entry form for the contest or drawing to conduct the contest or drawing. Pearson may collect additional personal information from the winners of a contest or drawing in order to award the prize and for tax reporting purposes, as required by law.


If you have elected to receive email newsletters or promotional mailings and special offers but want to unsubscribe, simply email information@informit.com.

Service Announcements

On rare occasions it is necessary to send out a strictly service related announcement. For instance, if our service is temporarily suspended for maintenance we might send users an email. Generally, users may not opt-out of these communications, though they can deactivate their account information. However, these communications are not promotional in nature.

Customer Service

We communicate with users on a regular basis to provide requested services and in regard to issues relating to their account we reply via email or phone in accordance with the users' wishes when a user submits their information through our Contact Us form.

Other Collection and Use of Information

Application and System Logs

Pearson automatically collects log data to help ensure the delivery, availability and security of this site. Log data may include technical information about how a user or visitor connected to this site, such as browser type, type of computer/device, operating system, internet service provider and IP address. We use this information for support purposes and to monitor the health of the site, identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents and appropriately scale computing resources.

Web Analytics

Pearson may use third party web trend analytical services, including Google Analytics, to collect visitor information, such as IP addresses, browser types, referring pages, pages visited and time spent on a particular site. While these analytical services collect and report information on an anonymous basis, they may use cookies to gather web trend information. The information gathered may enable Pearson (but not the third party web trend services) to link information with application and system log data. Pearson uses this information for system administration and to identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents, appropriately scale computing resources and otherwise support and deliver this site and its services.

Cookies and Related Technologies

This site uses cookies and similar technologies to personalize content, measure traffic patterns, control security, track use and access of information on this site, and provide interest-based messages and advertising. Users can manage and block the use of cookies through their browser. Disabling or blocking certain cookies may limit the functionality of this site.

Do Not Track

This site currently does not respond to Do Not Track signals.


Pearson uses appropriate physical, administrative and technical security measures to protect personal information from unauthorized access, use and disclosure.


This site is not directed to children under the age of 13.


Pearson may send or direct marketing communications to users, provided that

  • Pearson will not use personal information collected or processed as a K-12 school service provider for the purpose of directed or targeted advertising.
  • Such marketing is consistent with applicable law and Pearson's legal obligations.
  • Pearson will not knowingly direct or send marketing communications to an individual who has expressed a preference not to receive marketing.
  • Where required by applicable law, express or implied consent to marketing exists and has not been withdrawn.

Pearson may provide personal information to a third party service provider on a restricted basis to provide marketing solely on behalf of Pearson or an affiliate or customer for whom Pearson is a service provider. Marketing preferences may be changed at any time.

Correcting/Updating Personal Information

If a user's personally identifiable information changes (such as your postal address or email address), we provide a way to correct or update that user's personal data provided to us. This can be done on the Account page. If a user no longer desires our service and desires to delete his or her account, please contact us at customer-service@informit.com and we will process the deletion of a user's account.


Users can always make an informed choice as to whether they should proceed with certain services offered by InformIT. If you choose to remove yourself from our mailing list(s) simply visit the following page and uncheck any communication you no longer want to receive: www.informit.com/u.aspx.

Sale of Personal Information

Pearson does not rent or sell personal information in exchange for any payment of money.

While Pearson does not sell personal information, as defined in Nevada law, Nevada residents may email a request for no sale of their personal information to NevadaDesignatedRequest@pearson.com.

Supplemental Privacy Statement for California Residents

California residents should read our Supplemental privacy statement for California residents in conjunction with this Privacy Notice. The Supplemental privacy statement for California residents explains Pearson's commitment to comply with California law and applies to personal information of California residents collected in connection with this site and the Services.

Sharing and Disclosure

Pearson may disclose personal information, as follows:

  • As required by law.
  • With the consent of the individual (or their parent, if the individual is a minor)
  • In response to a subpoena, court order or legal process, to the extent permitted or required by law
  • To protect the security and safety of individuals, data, assets and systems, consistent with applicable law
  • In connection the sale, joint venture or other transfer of some or all of its company or assets, subject to the provisions of this Privacy Notice
  • To investigate or address actual or suspected fraud or other illegal activities
  • To exercise its legal rights, including enforcement of the Terms of Use for this site or another contract
  • To affiliated Pearson companies and other companies and organizations who perform work for Pearson and are obligated to protect the privacy of personal information consistent with this Privacy Notice
  • To a school, organization, company or government agency, where Pearson collects or processes the personal information in a school setting or on behalf of such organization, company or government agency.


This web site contains links to other sites. Please be aware that we are not responsible for the privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of each and every web site that collects Personal Information. This privacy statement applies solely to information collected by this web site.

Requests and Contact

Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information.

Changes to this Privacy Notice

We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting. Often, updates are made to provide greater clarity or to comply with changes in regulatory requirements. If the updates involve material changes to the collection, protection, use or disclosure of Personal Information, Pearson will provide notice of the change through a conspicuous notice on this site or other appropriate way. Continued use of the site after the effective date of a posted revision evidences acceptance. Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions.

Last Update: November 17, 2020