In this tutorial, we build an advanced Agentic Retrieval-Augmented Generation (RAG) system that goes beyond simple question answering. We design it to intelligently route queries to the right ...

Excel Pivot Table Tutorial: Multiple Value Fields and the Sigma Values Tile Posted: October 3, 2025 | Last updated: October 3, 2025 If you use Excel 40 hours a week (and those are the weeks you are on ...

Have you ever spent hours fine-tuning a Power Query workflow, only to have it break because a column name changed? It’s a frustratingly common scenario for anyone working with dynamic or external data ...

Have you ever spent hours wrestling with messy spreadsheets, trying to clean up data that just won’t cooperate? Or maybe you’ve found yourself manually merging files, painstakingly copying and pasting ...

传统的Excel单表虽然可以有100万行数据的承载量，但是在实际分析时，20万行的数据就已经让传统的Excel非常吃力了。 但是， 如果使用Excel中的Power Query和Power Pivot商务智能组件，即使是上百万行数据，也可以在短时间内快速完成处理和分析。 Power Query在Excel和Power ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

In this task, learn how to work with the SQL query editor to write cross-warehouse query. Ensure that the workspace you created in the first tutorial is open. Select ...

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 ...

Abstract: The Text-to-SQL task has significant application prospects in automating relational database query interfaces. It can reduce user learning costs and improve data query efficiency. However, ...

I've been playing around with the new Microsoft service, currently in preview and it's time to show off what it can do. Have you ever struggled with a database performance problem or ever struggled to ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...