SQL Pocket Guide: A Guide to SQL Usage, 4th Edition

SQL Pocket Guide: A Guide to SQL Usage
by: Alice Zhao
Publisher Finelybook 出版社:O’Reilly Media; 4th edition (September 21, 2021)
Language 语言:English
pages 页数:356 pages
ISBN-10 书号:1492090409
ISBN-13 书号:9781492090403

Book Description
if you use SQL in your day-to-day work as a data analyst, data scientist, or data engineer, this popular pocket guide is your ideal on-the-job reference. You’ll find many examples that address the language’s complexities, along with key aspects of SQL used in Microsoft SQL Server, MySQL, Oracle Database, PostgreSQL, and SQLite.

In this updated edition, author Alice Zhao describes how these database management systems implement SQL syntax for both querying and making changes to a database. You’ll find details on data types and conversions, regular expression syntax, window functions, pivoting and unpivoting, and more.

Quickly look up how to perform specific tasks using SQL
Apply the book’s syntax examples to your own queries
Update SQL queries to work in five different database management systems
NEW: Connect Python and R to a relational database
NEW: Look up frequently asked SQL questions in the “How Do I?” chapter

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