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The MySQL Workshop

The MySQL Workshop

By : Thomas Pettit , Scott Cosentino
4.7 (12)
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The MySQL Workshop

The MySQL Workshop

4.7 (12)
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)
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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 14.03 – using roles to manage permissions

The company keeps growing, and there has been another set of new hires:

  • Linda: Taking over HR responsibilities from Patrick
  • John: Will be taking care of finance
  • Vladimir: The mobile app developer
  • Victoria: The designer for the website

You have been asked to start using the following roles: manager, webdeveloper, and appdeveloper.

Here, you will connect to the database, create three roles, and grant permissions to them. Following this, you will create accounts for the new hires, and then grant roles to the existing people. To implement this exercise, follow these steps:

  1. Connect to the database.
  2. Create three roles: manager, webdeveloper, and appdeveloper. Grant permissions to them:
    CREATE ROLE 'manager';
    GRANT ALL ON employees.* TO 'manager';
    CREATE ROLE 'webdeveloper';
    GRANT ALL ON ebike.* TO 'webdeveloper';
    CREATE ROLE 'appdeveloper';...

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