Watch DAY 1 | Intro to SQL | 30 Day SQL Challenge | #sql #dataanalysis #dataanalytics #dataengineering Video Tutorial


Tutorial Details & Info

Tutorial Title: DAY 1 | Intro to SQL | 30 Day SQL Challenge | #sql #dataanalysis #dataanalytics #dataengineering
Instructor / Channel: Stephen | Data
Lesson Runtime: 33:41 Minutes
Publish Date: February 25, 2026
Total Students / Views: 3,254 views

Follow step-by-step with DAY 1 | Intro to SQL | 30 Day SQL Challenge | #sql #dataanalysis #dataanalytics #dataengineering created by Stephen | Data . The total lesson runtime is 33:41 minutes with crystal clear HD video and audio quality. Follow along to build your skills on any desktop PC, Mac, tablet, or smartphone.

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Course Description & Lesson Notes

Official Video Description:

💻 Practice SQL for 30 Days with Stephen. This includes - Tables, rows and columns - Filtering, sorting and aggregations - JOINs and subqueries - Window functions - CTEs and recursive queries - Database design and normalisation - Performance tuning and indexing ...and more! Check out the full GitHub repository here: https://github.com/sdw-online/30-Day-SQL-Challenge This contains the - exercises for each day - datasets used (for each exercise) - SQL scripts to follow along Follow along at your own pace - feel free to drop any questions or feedback you have in the comments below. --- Join my data communities: 1. Free community https://data100x.carrd.co/?mcp_token=eyJwaWQiOjczMTg1NCwic2lkIjoyMDA0MTM1NTE2LCJheCI6IjljZDI1NjM4ZWIyMjE3NTM2NzkxOTM0ZDMzMDQyZjhlIiwidHMiOjE3NjI5MDc5ODMsImV4cCI6MTc2NTMyNzE4M30.E-AqnI8xhtwlxP17uSCKCgev_o_0_LD4XNm_gIKUldA 1. Private community (invite only) - https://data100.carrd.co/ --- Become a data analyst using - Analyst Builder - https://www.analystbuilder.com/?via=stephen-david-williams (Note - I earn a commission when you purchase any qualifying items via these links. This does **not** cost you anything, but helps in creating more content!) --- Socials: - TikTok - https://www.tiktok.com/@sdw.online - Instagram - https://instagram.com/sdw.online - LinkedIn - https://www.linkedin.com/in/stephen-david-williams-860428123/ - Facebook - https://www.facebook.com/profile.php?id=61563980937900 - GitHub - https://github.com/sdw-online - Twitter/X - https://twitter.com/sdw_online --- Free Resources: - Tableau Visual Vocabulary - https://www.tableau.com/en-gb/solutions/gallery/visual-vocabulary Here are some of the free resources I've created that you may find useful for your own data projects: - My articles/ blogs - https://medium.com/@sdw-online - How I broke into data - https://datapro.carrd.co/ --- Installation links: Download these resources mentioned in the project: - PostgreSQL - https://www.postgresql.org/download/ - pgAdmin - https://www.pgadmin.org/download/ --- Music used: Morning Routine by Ghostrifter Official | https://soundcloud.com/ghostrifter-official Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0 --- Timestamps: 0:00 Intro 0:07 What is SQL? 1:07 How Data Can Evolve in a Company 7:12 Why Companies Need SQL 10:01 Do We Need SQL Now That We Have AI? 14:42 Types of Databases 18:17 A Table Has Rows and Columns 22:51 Data Types (TEXT, INTEGER, DATE, BOOLEAN) 25:38 VARCHAR 27:15 INTEGER 28:47 DATE 30:08 BOOLEAN 32:12 Recap - Day 1 Completed

🌐 Web & Search Guide Notes (DuckDuckGo, Yahoo & Bing):

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🎓 Lesson Overview & Learning Outcomes:

Welcome to the step-by-step video guide for DAY 1 | Intro to SQL | 30 Day SQL Challenge | #sql #dataanalysis #dataanalytics #dataengineering taught by Stephen | Data . This tutorial provides a comprehensive walkthrough designed to take you from foundational principles to practical implementation.

💡 Key Topics Covered in This Course:

  • Core Fundamentals & Setup: Understanding the workspace, essential tools, and initial setup for DAY 1 | Intro to SQL | 30 Day SQL Challenge | #sql #dataanalysis #dataanalytics #dataengineering.
  • Step-by-Step Practical Demonstration: Hands-on implementation guided by Stephen | Data with real-world examples.
  • Best Practices & Key Shortcuts: Time-saving workflows, keyboard shortcuts, and industry-standard recommendations.
  • Troubleshooting & Common Pitfalls: How to avoid common beginner errors and optimize your workflow for peak efficiency.

📋 Recommended Prerequisites & Study Notes:

No prior advanced experience is required. Follow along with the video player above on any desktop computer, tablet, or mobile device. Pause and rewind at key steps to practice along with the instructor.

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