Practical SQL, 2nd Edition

Anthony DeBarros is a longtime journalist who has combined his interests in data analysis, coding, software product development, and storytelling for much of his career. He is a data news editor for The Wall Street Journal, focusing on topics such as the economy, trade, the U.S. Census, and politics. He previously held positions with USA TODAY, the Poughkeepsie Journal, and the DocumentCloud project for Investigative Reporters and Editors. His work has received multiple honors, including a prestigious Silver Baton from the Alfred I. duPont-Columbia University Awards.

"Even better than the previous edition!"—Jakub Romanowski, LearnSQL.com"This book is comprehensive, well organized, and contains almost everything a new developer needs to learn SQL using Postgres. Besides, the arrangement of the sections is logical, and the writing style is not complicated where information is supported by the required examples and images, in addition to evidence from the writer's practical experiences."—Hadi Fadlallah, SQLShack"[W]ell-written and informative . . . an extremely enjoyable book that will keep the reader engaged with interesting, thought-provoking exercises . . . I highly recommend Practical SQL, 2nd Edition to anyone wanting to learn PostgreSQL and how to tell stories with data."—Joshua Allen Holm, Opensource.comREVIEWS FOR THE FIRST EDITION:"This book is comprehensive, well organized, and contains almost everything a new developer needs to learn SQL using Postgres. Besides, the arrangement of the sections is logical, and the writing style is not complicated where information is supported by the required examples and images, in addition to evidence from the writer's practical experiences."—Hadi Fadlallah, SQLShack“One of the best-organized travelogues we've seen into the SQL realm.”—Newstips Bulletin"More fun and more engaging [than Learning SQL from O'Reilly]."—Giles McMullen-Klein, Python Programmer, YouTuber“Practical SQL will take you from an absolute databases beginner towards becoming a database and SQL master. This book is one of those books that you feel like [you're] reading a novel, not a technical book. It uses an easy to follow and [understandable] approach that makes it easy to read for people from all backgrounds.”—Sara A. Metwalli, Towards Data Science"I recommend reading Practical SQL by Anthony DeBarros for a more in-depth look on how to implement regression analysis and other analytical tools using SQL."—Michael Grogan, Towards Data Science"One of the most interesting books about SQL I've ever read. At first glance, it looks like a guide for complete rookies. But the author raises topics that will interest advanced users."—Jakub Romanowski, LearnSQL.com

• Introduction1. Setting up pgAdmin2. Creating Your First Database and Table3. Beginning Data Exploration with SELECT4. Understanding Data Types5. Importing and Exporting Data6. Basic Math and Stats7. Joining Tables in a Relational Database8. Table Design that Works for You9. Extracting Information by Grouping and Summarizing10. Inspecting and Modifying Data11. Statistical Functions in SQL12. Working with Dates and Times13. Advanced Query Techniques14. Mining Text to Find Meaningful Data15. Analyzing Spatial Data with PostGIS16. Working with JSON Data17. Saving Time with Views, Functions, and Triggers18. Using PostgreSQL from the Command Line19. Maintaining Your Database20. Identifying and Telling the Story Behind Your DataAppendix A. Additional Resources