• Fitness Data Analysis Guide

    calendar Oct 5, 2026 · 1 min read  ·
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    Hey there! Here are the links to the Fitness Data Analysis Guide you just signed up for: PDF Guide - definitions of each of the terms and bonus questions for the data set SQL Scripts - the SQL scripts to set up the sample data, and the queries shown in the YouTube video. Enjoy!


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  • SaaS Data Analysis Guide

    calendar Aug 24, 2026 · 1 min read  ·
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    Hey there! Here are the links to the SaaS Data Analysis Guide you just signed up for: PDF Guide - definitions of each of the terms and bonus questions for the data set SQL Scripts - the SQL scripts to set up the sample data, and the queries shown in the YouTube video. Enjoy!


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  • Bonus: Database Redesign Case Study for 2,241 Tables

    calendar Jan 1, 2026 · 8 min read  ·
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    What's in this guide This guide goes with my video titled "How I Redesigned a Database With 2,241 Tables". It covers a database posted on Reddit that has one table for every client, each holding a single row of JSON. We look at what's wrong with it, redesign it as 3 tables in PostgreSQL, and move all of the data across …


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  • DSA Download

    calendar Jun 2, 2025 · 6 min read  ·
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    This page contains links to video files for all course lessons for you to download. SQL Developer Jumpstart Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20 Lesson 21 Lesson 22 …


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  • Shop

    calendar Jan 15, 2025 · 2 min read  ·
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    Shop This is your go-to destination for products and courses to learn and improve your database and SQL skills. Signature Courses SQL Simplified A step-by-step program to help you learn SQL from scratch, so you feel confident and prepared to use it at work. Buy Now Effective Database Design Learn how to create a …


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  • Thanks! Check Your Email

    calendar Jan 15, 2024 · 0 min read  ·
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  • Database Star VIP Page

    calendar Jan 8, 2024 · 7 min read  ·
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    Welcome to the VIP Page! I'm glad you're here. This page contains all of the bonuses and guides that I've prepared for readers of this website or viewers of my YouTube channel. I'll keep it up to date, so whenever I have something new, I'll add it to this page. Cheat Sheets SQL Cheat Sheets A range of cheat sheets that …


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  • Sample Data for SQL Databases

    calendar Sep 6, 2022 · 4 min read  ·
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    See a list of sample SQL data.


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  • Removed from emails

    calendar Mar 1, 2022 · 1 min read  ·
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    Thanks! Thanks for letting me know. You'll no longer receive this series of emails.


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  • Oracle

    calendar Jun 11, 2021 · 6 min read  ·
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    Oracle Database is one of the most popular databases in the world. It’s targeted at large organizations, and has many features to allow administrators to manage the database and for developers to improve their query performance. The latest version of Oracle is 21c. A free version of Oracle is available, called Oracle …


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