April 2024
Intermediate to advanced
127 pages
2h 29m
English
Content preview from Learn SQL using MySQL in One Day and Learn It WellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2: Defining the Database
Now that we have a basic understand of MySQL, let’s start learning some SQL commands.
How to Use this Book
Throughout this book, we’ll be building a database called companyHR that has two tables - employees and mentorships.
The database will be used to demonstrate most of the concepts covered. Hence, you are strongly encouraged to follow along and try out the various examples.
To do that, first create a folder on your desktop and name it MySQLExamples.
Next, launch MySQL Workbench and create a new file by clicking on File > New Query Tab and save this file as practice.sql (File > Save Script As... ) in the MySQLExamples folder.
*** Examples that you should try will be presented in bold. Whenever ...
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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.