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

Reverse engineering a database

You now have a small database complete with tables, indexes, and foreign keys. Let's imagine that you have a database with over a hundred tables. You will have to try and comprehend the data present if you do not have a database model to hand.

You can reverse engineer a database using MySQL Workbench so that you can create both the database model and the EER diagram, which, in return, will assist you greatly in coming to terms with the database.

An ER diagram is a snapshot of the database. It is an image of the tables in the database with lines connecting the tables to show the relationships as set by the foreign keys. There are a number of open source and proprietary software options that allow you to generate ER diagrams. Depending on the software used to create the diagram, you might be able to display information regarding indexes and foreign key columns. The lines connecting the tables might start and end at the actual connecting columns...