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Python GUI Programming - A Complete Reference Guide

You're reading from   Python GUI Programming - A Complete Reference Guide Develop responsive and powerful GUI applications with PyQt and Tkinter

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Product type Course
Published in Jun 2019
Publisher Packt
ISBN-13 9781838988470
Length 746 pages
Edition 1st Edition
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Authors (2):
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B. M. Harwani B. M. Harwani
Author Profile Icon B. M. Harwani
B. M. Harwani
Alan D. Moore Alan D. Moore
Author Profile Icon Alan D. Moore
Alan D. Moore
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Table of Contents (28) Chapters Close

Title Page
Copyright About Packt Contributors Preface 1. Introduction to Tkinter 2. Designing GUI Applications with Tkinter FREE CHAPTER 3. Creating Basic Forms with Tkinter and ttk Widgets 4. Reducing User Error with Validation and Automation 5. Planning for the Expansion of Our Application 6. Creating Menus with Menu and Tkinter Dialogs 7. Navigating Records with Treeview 8. Improving the Look with Styles and Themes 9. Creating Automated Tests with unittest 10. Improving Data Storage with SQL 11. Connecting to the Cloud 12. Visualizing Data Using the Canvas Widget 13. Creating a User Interface with Qt Components 14. Event Handling - Signals and Slots 15. Understanding OOP Concepts 16. Understanding Dialogs 17. Understanding Layouts 18. Networking and Managing Large Documents 19. Database Handling 20. Using Graphics 21. Implementing Animation 22. Using Google Maps 1. Other Books You May Enjoy

Improving Data Storage with SQL

As weeks have passed by, there is a growing problem at the lab: the CSV files are everywhere! Conflicting copies, missing files, records getting changed by non-data entry staff, and other CSV-related frustrations are plaguing the project. It's clear that individual CSV files are not working out as a way to store data for the experiments. Something better is needed.

The facility has an older Linux server with a PostgreSQL database installed. You've been asked to update your program so that it stores data in the PostgreSQL database rather than in the CSV files. This promises to be a major update to your application!

In this chapter, you'll learn the following topics:

  • Installing and configuring the PostgreSQL database system
  • Structuring data in a database for good performance and reliability
  • The basics of SQL queries
  • Using the psycopg2...
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