April 2026
Beginner
493 pages
23h 2m
English
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3 Setting Up the Environment
In this chapter, you’ll learn to install and set up a local database (PostgreSQL) on your computer, where you’ll be able to write SQL code, experiment with the book’s SQL code samples, and try out SQL features.
At this point, we’ve learned about the basics of relational databases, and we’re almost ready to start with SQL! After all, that’s why we’re all here. But there’s one final missing matter we need to address: a playground.
To make the best of this book and learn SQL effectively, you need to write SQL code yourself. Ideally, you should implement the code samples in this book yourself and take some extra exploratory steps beyond our examples to help you digest the language a little better. However, you can’t do ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.