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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

Blobs, files, and file paths

When it comes to storing images and files in databases, there are two ways you can achieve this:

  1. MySQL offers four blob data types of varying sizes that will store files and images in the database.

This method is okay if you have small files and not too many records. Too many or large images can impact database performance, and developers often tend to avoid this method. Just because you can store an image in the database doesn't mean that you should.

  1. You can set up a VARCHAR(255) field, in which you can store a file path and name pointing to a file or image stored somewhere on your network.

This is the preferred method, especially for many or large files, and requires no messing around with the server settings. The application can read the path and name from the database and then load the file and do what it needs to with it – display it, transfer it, or whatever. However, it does require that the file storage...

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