January 2020
Beginner
256 pages
5h 11m
English
Content preview from Sams Teach Yourself SQL in 10 Minutes a Day, 5th Edition
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Lesson 1. Understanding SQL
In this lesson, you’ll learn exactly what SQL is and what it will do for you.
Database Basics
The fact that you are reading a book on SQL indicates that you, somehow, need to interact with databases. SQL is a language used to do just this, so before looking at SQL itself, it is important that you understand some basic concepts about databases and database technologies.
Whether you are aware of it or not, you use databases all the time. Each time you select a contact on your phone or a name from your email address book, you are using a database. If you conduct a Google search, you are using a database. When you log in to your network at work, you are validating your name and password against a database. Even when ...
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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.