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

Exercise 14.02 – modifying users and revoking permissions

The ebike start-up has been very successful, and there have been a few changes. A new developer, called Sarah, was hired, and there is a new mobileapp schema for the mobile app to manage the bikes. Both Sarah and Mike are working on the mobile app. In addition to this, Patrick has asked you to change his password because he has forgotten what it was. You need to change the password that is used for the account used by the web server.

In order to implement this, first, connect to the database and then create an account for the new developer Sarah. Then, modify the accounts of Patrick, Mike, and the web server so that they will be able to access the new schema. Finally, you can change the password of Patrick.

To complete this exercise, follow the steps:

  1. Connect to the database.
  2. Create an account for the new developer Sarah and grant her permissions on the ebike and mobileapp schemas with the help of the...