Excel's query tool reshapes messy imports into 1NF, so AVERAGEIFS replaces hacks and your summaries run faster.

Learn how to calculate and plot mathematical functions using a spreadsheet. This tutorial shows step-by-step how to set up formulas, visualize data, and create clear graphs for math and science ...

Discover 15 modern Excel functions for 2026, including Group By and Scan, so you speed up your workflows, summaries and ...

My main program is the Excel Pro Challenge. It is a 15-day step-by-step course that takes you from beginner to confident — ...

Overview: Python and SQL form the core data science foundation, enabling fast analysis, smooth cloud integration, and ...

From students to businessmen – Microsoft Excel can be a very useful tool for all who want to create reports, charts, tables and so on. When someone needs to create a chart using a free tool, Microsoft ...

Learn how to use Microsoft Excel step by step in this beginner-friendly tutorial. If you're new to Excel or want to understand the basics, this video shows you how to get started using Excel right ...

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 ...

In this Microsoft SQL Server and JDBC tutorial, you'll learn how to connect to a Microsoft SQL Server in Java using JDBC. The steps are relatively straightforward: Each database is different, so ...