data signal catalogue:

every public upload from @thedatasignal, ordered newest to oldest, with a short summary for each video. videos listed: 70. last synced: April 17, 2026.
2 months ago
ETL vs ELT is one of those data concepts that sounds simple — until you actually try to explain it. Most explanations focus on the acronyms: Extract, Transform, Load vs Extract, Load, Transform....
1,383 views • 15:09
5 months ago
Understanding compute and storage is one of the most important first steps in becoming a data engineer. In this video, I break down what compute is, what storage is, and why separating them...
186 views • 15:12
7 months ago
In Part 4 of Shift Left, Think Forward we unpack why most data meltdowns trace back to people, incentives, and org charts—not missing software. What you’ll learn 0:00 – Intro — Tools...
55 views • 21:09
11 months ago
Curious about Generative AI and its real-world applications for your business? This video breaks down the practical journey of adopting Generative AI into five clear stages, from foundation...
240 views • 26:19
1 year ago
Are you dealing with massive amounts of data and looking for a powerful, AI-ready solution? 🌍 Enter Azure Databricks Lakehouse Architecture – a game-changer for data storage, processing,...
183 views • 2:39
1 year ago
In this video, I walk you through creating a powerful yet user-friendly Sales Dashboard using HTML, JavaScript, PapaParse for CSV parsing, and Plotly for data visualization—all with ChatGPT....
857 views • 11:53
1 year ago
AI is evolving fast, and staying updated can feel overwhelming! With major disruptions like DeepSeek shaking up markets and NVIDIA losing over $500 billion, keeping up with AI trends is more...
132 views • 10:36
1 year ago
🚀 Welcome to Azure 101! If you’re new to Microsoft Azure or cloud computing, this video is the perfect starting point. We’ll break down the key terminologies you need to know, making...
237 views • 11:29
2 years ago
Understand the basics of SQL in this video where I provide an overview of sql and databases Chapters: 0:00 - Introduction 0:57 - What is a Database 1:50 - What is SQL 2:58 - SQL| Databases...
3,108 views • 16:55
1 year ago
In this video, I walk you through the process of designing a data model using Python and SQLite. You'll learn the basics of data modelling, how to set up a database, create tables for Artists,...
1,378 views • 15:09
1 year ago
In this video, I describe how you can fix one of the common errors that pop up when migrating data from sql to azure datalake: errorcode=jrenotfound,'type=microsoft.datatransfer.common.shared.hybr...
897 views • 3:38
1 year ago
In this video, I explain what is a data lake and provided the various use cases for a data lake
51 views • 10:05
2 years ago
In this video, you will learn how use sub-queries to manipulate data in SQL using a practical business use case. You will also understand how to write advanced queries on SQL: Check out previous...
38 views • 14:47
2 years ago
In this video, you will learn how to perform aggregations and grouping in SQL using a practical business use case. You will also understand how to write advanced queries on SQL: Check out...
113 views • 15:00
2 years ago
In this video, you will learn how to write SQL joins including Right Join, Left Join, and Inner Join using a practical business use case. You will also understand how to write advanced queries...
345 views • 12:48
3 years ago
A concise breakdown of "SSRS Email Marketing" with clear examples and practical lessons for data practitioners.
53 views • 27:02
3 years ago
Step-by-step walkthrough of "What is Sentiment Analysis?" with implementation-focused takeaways you can apply quickly.
40 views • 12:55
3 years ago
A concise breakdown of "Transforming Excel Data in Power BI" with clear examples and practical lessons for data practitioners.
12 views • 15:47