Book Image

The MySQL Workshop

By : Thomas Pettit, Scott Cosentino
5 (1)
Book Image

The MySQL Workshop

5 (1)
By: Thomas Pettit, Scott Cosentino

Overview of this book

Do you want to learn how to create and maintain databases effectively? Are you looking for simple answers to basic MySQL questions as well as straightforward examples that you can use at work? If so, this workshop is the right choice for you. Designed to build your confidence through hands-on practice, this book uses a simple approach that focuses on the practical, so you can get straight down to business without having to wade through pages and pages of dull, dry theory. As you work through bite-sized exercises and activities, you'll learn how to use different MySQL tools to create a database and manage the data within it. You'll see how to transfer data between a MySQL database and other sources, and use real-world datasets to gain valuable experience of manipulating and gaining insights from data. As you progress, you'll discover how to protect your database by managing user permissions and performing logical backups and restores. If you've already tried to teach yourself SQL, but haven't been able to make the leap from understanding simple queries to working on live projects with a real database management system, The MySQL Workshop will get you on the right track. By the end of this MySQL book, you'll have the knowledge, skills, and confidence to advance your career and tackle your own ambitious projects with MySQL.
Table of Contents (22 chapters)
1
Section 1: Creating Your Database
6
Section 2: Managing Your Database
11
Section 3: Querying Your Database
16
Section 4: Protecting Your Database

MySQL table indexes and foreign keys

In this section, you will learn about table indexes and foreign keys and how to set them up in your database using MySQL Workbench. Most importantly, you will learn why you should use them. The following section begins with indexes.

Indexes

Do you remember the last time you looked up information in a large book (the old style one that is made of paper)? Perhaps it was a directory and you needed to look up a single person. Note that you didn't start on page one and read through every entry until you finally found them. Instead, you went to the index and scanned an alphabetized list until you found their name and the relevant page number. Then, you went directly to the page and found the person's details there.

An index of a database table is the same. The MySQL server can maintain an index on a column, and when you look for a record in that column, MySQL will find it for you more quickly. You can set up multiple indexes on most...