Apart from the basic setup you've been using since Chapter 1, Getting Started with PyQt, you will want the example code found in the GitHub repository at https://github.com/PacktPublishing/Mastering-GUI-Programming-with-Python/tree/master/Chapter09.
You may also find it helpful to have a copy of SQLite to practice the SQL examples. SQLite is free and can be downloaded from https://sqlite.org/download.html.
Check out the following video to see the code in action: http://bit.ly/2M5xu1r