Practical SQL, 2nd Edition 版本: A Beginner’s Guide to Storytelling with Data
Author: Anthony DeBarros (Author)
Publisher finelybook 出版社: No Starch Press
Edition 版本: 2nd
Publication Date 出版日期: 2022-01-25
Language 语言: English
Print Length 页数: 464 pages
ISBN-10: 1718501064
ISBN-13: 9781718501065
Book Description
Analyze data like a pro, even if you’re a beginner. Practical SQL is an approachable and fast-paced guide to SQL (Structured Query Language), the standard programming language for defining, organizing, and exploring data in relational databases. Anthony DeBarros, a journalist and data analyst, focuses on using SQL to find the story within your data. The examples and code use the open-source database PostgreSQL and its companion pgAdmin interface, and the concepts you learn will apply to most database management systems, including MySQL, Oracle, SQLite, and others.*
You’ll first cover the fundamentals of databases and the SQL language, then build skills by analyzing data from real-world datasets such as US Census demographics, New York City taxi rides, and earthquakes from US Geological Survey. Each chapter includes exercises and examples that teach even those who have never programmed before all the tools necessary to build powerful databases and access information quickly and efficiently.
You’ll learn how to:
- Create databases and related tables using your own data
- Aggregate, sort, and filter data to find patterns
- Use functions for basic math and advanced statistical operations
- Identify errors in data and clean them up
- Analyze spatial data with a geographic information system (PostGIS)
- Create advanced queries and automate tasks
This updated second edition has been thoroughly revised to reflect the latest in SQL features, including additional advanced query techniques for wrangling data. This edition also has two new chapters: an expanded set of instructions on for setting up your system plus a chapter on using PostgreSQL with the popular JSON data interchange format.
Learning SQL doesn’t have to be dry and complicated. Practical SQL delivers clear examples with an easy-to-follow approach to teach you the tools you need to build and manage your own databases.
* Microsoft SQL Server employs a variant of the language called T-SQL, which is not covered by Practical SQL.
Review
—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.com
REVIEWS 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
About the Author
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