CompTIA Data+ DA0-001 Exam Cram, 1st edition
Published by Pearson IT Certification (January 3, 2023) © 2023
- Akhil Behl
- Siva G Subramanian
eTextbook
- Available for purchase from all major ebook resellers, including InformIT.com.
- To request a review copy, click on the "Request a Review Copy" button.
- A print text (hardcover or paperback)Â
- Free shipping
- Also available for purchase as an ebook from all major ebook resellers, including InformIT.com
Businesses now more than ever are relying on data analysis to maximize sales and understand consumer trends. Regardless of your role or job function, just about everyone in today's climate is expected to have some skills in this area. As the field of data analysis becomes more integral to business strategy it is imperative to gain the knowledge that will set yourself apart from the competition and benefit your career prospects. CompTIA Data+ DA0-001 Exam Cram is designed to prepare candidates for success on the exam, using the proven Exam Cram method of study. This latest addition to the Exam Cram series is geared toward early-career business and data analysts, and as with all Exam Cram books, includes:
- Chapters that map directly to the exam objectives Comprehensive foundational learning on all topics covered on the exam
- An extensive collection of practice questions
- Access to the Pearson Test Prep practice test software that provides real-time practice and feedback, online or offline
- Flash cards to drill on key concepts
- The Cram Sheet tear-out card including tips, acronyms, and memory joggers not available anywhere else;mdash;perfect for last-minute study
All the topics in the exam are covered here, including: mining data, manipulating data, applying basic statistical methods, and analyzing complex datasets while adhering to governance and quality standards throughout the entire data life cycle. This book is in complete alignment with the CompTIA Data+ certification exam blueprint. It will take you systematically through the five major domains, and the subtopics within those domains, which constitute the ComptTIA Data+ exam. It is an invaluable guide to preparing to pass the CompTIA Data+ exam.
What is a VitalSource eTextbook?
The full text downloaded to your computer.
With VitalSource eTextbooks you can:
- search for key concepts, words and phrases
- make highlights and notes as you study
- share your notes with friends
eTextbooks are downloaded to your computer and accessible either offline through the Bookshelf (available as a free download), available online and also via the iPad and Android apps.
Upon purchase, you'll gain instant access.
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. Â . 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
Â
9780137637294, TOC, 11/17/2022
Akhil Behl is a passionate technologist and business development practitioner. He has more than 20 years of experience in the IT industry, working across several leadership, advisory, consultancy, and business development profiles across OEMs, telcos, and SI organizations. Akhil believes in cultivating an entrepreneurial culture, working across high-performance teams, identifying emerging technology trends, and ongoing innovation. For the last 7+ years, he has been working extensively with hyperscalers across industry verticals. He is employed at Red Hat, leading the Global System Integrator (GSI) partner alliances for the ANZ region.
Akhil is a published author. Over the past decade, he has authored multiple titles on security and business communication technologies. This is his fifth book with Pearson Education. He has contributed as technical editor for over a dozen books on security, networking, and information technology. He has published several research papers in national and international journals, including IEEE Xplore, and presented at various IEEE conferences, as well as other prominent ICT, security, and telecom events. Writing and mentoring are his passions.
Akhil holds CCIE 19564 Emeritus (Collaboration and Security), CompTIA Data+, Azure Solutions Architect Expert, Google Professional Cloud Architect, Azure AI Certified Associate, Azure Data Fundamentals, CCSK, CHFI, ITIL, VCP, TOGAF, CEH, ISM, CCDP, and multiple other industry certifications. He has a bachelor's degree in technology and a master's in business administration.
Akhil lives in Melbourne, Australia, with his better half, Kanika, and two sons, Shivansh (11 years) and Shaurya (9 years). Both of them are passionate gamers and are excellent musicians, sporting guitar and keyboard, respectively.
In his spare time, Akhil likes to play cricket, chess, and console games with his sons, watch movies with his family, and write articles or blogs. The family enjoys building LEGO! The family are big Star Wars fans and have keen interest in Star Wars as well as Technic and Creator LEGOs.
Dr. Siva Ganapathy Subramanian Manoharan is a senior professional with more than 18+ years of expertise in the data, analytics, artificial intelligence, and machine learning arenas, spanning a wide range of data portfolios. He heads the Data & Analytics Business Unit for Searce Inc in his current role as global chief data officer. He is a cloud data and platform architect with a background in data engineering, management, and analytics. He has considerable experience in a variety of enterprises across sectors. He is an ambitious leader with a startup-to-scale growth mindset who has built/launched new practices and strategic business units for several corporations and scaled them to huge growth.
Siva specializes in the sales, strategic solutions, P&L consulting, pre-sales, delivery of information management advisory, data architecture, and implementation services in the various industry verticals. He has extensive experience serving more than 200 customers globally, with a travel history of more than 25 countries. Over the past 8+ years, he has been living in the United Kingdom.
Siva leads a technology-focused group of individuals and motivates them for professional certifications and knowledge sharing. He has himself attained more than 81 IT certifications. Siva mentors and guides IT professionals and youth across the globe in their journey for a successful future in information technology focused on data analytics and artificial intelligence.
Siva is a technology-integrated author. He has several IT blog posts and book publications to his credit on data and analytics, artificial intelligence, and machine learning technologies. He has contributed as a technical editor for multiple blogs and whitepapers and hosted many events on data and analytics and information technology.
Siva was awarded the International Achievers award in 2022 by IAF India, the Leader of Excellence award in 2022 by BIZEMAG, and the Most Admired Global Indians 2022 with Passion Vista. He completed a bachelor's degree in electronics communication engineering from the University of Madras, an international MBA from Russian Ulyanovsk State University, a Ph.D. from the University of Swahili, and a D.Sc. from Azteca University.
Siva lives in London with Gaurave SGS (10 years) and Thejashvini SGS (5 years). Both of them are innovative artists, passionate gamers, and excellent creators. In his leisure time, Siva likes to watch movies, travel to new locations, play with Gaurave and Thejashvini, and write whitepapers, articles, and blogs.
Need help? Get in touch

Pearson eTextbook: What’s on the inside just might surprise you
They say you can’t judge a book by its cover. It’s the same with your students. Meet each one right where they are with an engaging, interactive, personalized learning experience that goes beyond the textbook to fit any schedule, any budget, and any lifestyle.Â

Digital Learning NOW
Extend your professional development and meet your students where they are with free weekly Digital Learning NOW webinars. Attend live, watch on-demand, or listen at your leisure to expand your teaching strategies. Earn digital professional development badges for attending a live session.