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

Adjusting field properties

Before you use the upsized table, you must make a few manual adjustments:

  • Set the primary key: You need to set the primary key. Select the ID field and check the Primary Key box.
  • Set Auto Increment for the ID field: You need to tick the Auto Increment (AI) option for the primary key ID field. The Access ID values will have been exported. The AI numbering will start from the next available number.
  • Set the indexes: You will need to set any indexes that were in the Access table.
  • Yes/no fields become bitfields: Access will work well with this; however, you must set a default value of either 0 or 1, and usually, it will be 0 (false). Access has a quirky bug where it will generate an error – usually a write conflict error if the record has a bitfield with a NULL value. You will also need to ensure there are no NULL values in any bitfields in MySQL, which is what causes the error. Access does not like NULL values in bitfields. You can...