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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

Solution to Activity 8.1

In this activity, you are tasked with adding new details to the existing country table – that is, capital cities, countries' independence statuses, and currency types. Perform the following steps to accomplish this:

  1. Create a new script file named Activity-MultipleUpdates.js.
  2. Add the connection module and instruct the server to use the world_statistics database. Include error handling:
    var mysqlconnection = require("./mysqlconnection.js")
    mysqlconnection.query("USE world_statistics", function (err, result) {
  3. Deal with the error, should one occur. Each distinct task performed by the code is embedded in the part of the if statement that is executed if there is no error. This means that, for each task to be performed, the preceding task must be error-free. If an error occurs in any given task, the script will report the error and then exit, and none of the following tasks will be attempted:
    if (err) throw "Instructing...

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