If you want to start learning SQL hands-on, it's not an easy task at all. That is why I decided to create this guide, where you will find all the information in one place that will allow you to ...

1 normalized formular (NF): A property is a minimum unit of data, one property maps to one column in database. 2NF: Each non-primary property must totaly depends on the primary property collection.

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

This tutorial will guide you through the process of using SQL databases with Python, focusing on MySQL as the database management system. You will learn how to set up your environment, connect to a ...