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๐ŸŽฌ BI Video Playlist

How to use

Every video maps to a skill in our Skills Matrix. Follow the 30-60-90 path below, or jump straight to your gap area. ๐ŸŒฑ Beginner ยท ๐ŸŒฟ Intermediate ยท ๐ŸŒณ Advanced

Start here โ€” the language of everything we do. ๐Ÿ—„๏ธ


1. ๐Ÿ—„๏ธ SQL & Databases

# Video / Resource Source Level Why at Marathon
1 SQL Tutorial โ€“ Full Database Course (4 h) freeCodeCamp ยท Mike Dane ๐ŸŒฑ Foundation for every das-db query
2 MySQL Tutorial for Beginners (3 h) Programming with Mosh ๐ŸŒฑ Our warehouse engine is MySQL 8 on DigitalOcean
3 โ–ถ SQL Window Functions (best current) YouTube search ๐ŸŒฟ ROW_NUMBER() golden-record logic in Pipeline A
4 โ–ถ Query Optimization & Indexes YouTube search ๐ŸŒณ Explains Epic 1 anti-pattern findings

2. ๐Ÿ Python for Data

# Video / Resource Source Level Why at Marathon
1 Learn Python โ€“ Full Course freeCodeCamp ๐ŸŒฑ Base language of PY-01/PY-02 crons
2 Data Analysis with Python (pandas/NumPy) freeCodeCamp ๐ŸŒฟ Product categorization & cleansing scripts
3 โ–ถ Build an ETL Pipeline (Python + MySQL) YouTube search ๐ŸŒฟ Mirrors our daily fact_saless sync
4 โ–ถ Matplotlib / Seaborn / Plotly crash course YouTube search ๐ŸŒฟ Ad-hoc analytics visuals

3. ๐Ÿ“Š BI & Visualization Tools

# Video / Resource Source Level Why at Marathon
1 Data Analyst Full Courses playlist (Power BI ยท Excel ยท pandas) YouTube playlist ๐ŸŒฑโ†’๐ŸŒฟ One playlist covers 4 of our tools
2 โ–ถ Power BI Full Course (best current) YouTube search ๐ŸŒฑ Executive dashboards
3 Learn DAX basics + โ–ถ DAX videos Microsoft ยท YouTube ๐ŸŒฟ Measures for KR boards
4 Tableau Official Training Videos + โ–ถ Tableau course Tableau ยท YouTube ๐ŸŒฑ Secondary BI tool
5 Looker Studio Quick-start + โ–ถ Looker Studio course Google ยท YouTube ๐ŸŒฑ Our SLA โ†” KRs board platform
6 Excel Basics for Data Analysis (IBM) + โ–ถ Excel full course Coursera ยท YouTube ๐ŸŒฑ Advanced Excel deliverables

4. ๐Ÿ—๏ธ Data Modeling & Warehousing

# Video / Resource Source Level Why at Marathon
1 โ–ถ Star Schema explained (best current) + Microsoft guide YouTube ยท Microsoft ๐ŸŒฟ fact_saless + dim_* design
2 What is Master Data Management? (video) + โ–ถ MDM videos Informatica ยท YouTube ๐ŸŒฟ Epic 3 golden records
3 Best ETL Tutorials on YouTube (curated list) SolutionsReview ๐ŸŒฟ Pipeline design patterns

5. โš™๏ธ Automation & Engineering

# Video / Resource Source Level Why at Marathon
1 Apps Script Fundamentals (codelab) + โ–ถ GAS full course Google ยท YouTube ๐ŸŒฑ GAS-01โ€ฆ04 weekly automations
2 Git Tutorial for Beginners (1 h) Programming with Mosh ๐ŸŒฑ Docs CI/CD & version control
3 โ–ถ MkDocs Material tutorial YouTube search ๐ŸŒฟ This documentation site itself

6. ๐Ÿ›๏ธ Business, Governance & Storytelling

# Video / Resource Source Level Why at Marathon
1 7 short YouTube videos to learn OKRs + OKR vs KPI Curated list ๐ŸŒฑ Epic 4 framework
2 โ–ถ Data Visualization principles YouTube search ๐ŸŒฟ "Clear visual stories" mandate
3 โ–ถ ESG metrics explained YouTube search ๐ŸŒฟ Sustainability dashboard

๐Ÿงญ 30-60-90 Learning Path

Phase Focus Watch
Days 1โ€“30 Language basics SQL #1-2 ยท Python #1 ยท Excel #6
Days 31โ€“60 BI tooling Playlist #3-1 ยท Power BI #3-2 ยท Looker #3-5
Days 61โ€“90 Engineering Window fns #1-3 ยท Star schema #4-1 ยท ETL #2-3 ยท GAS #5-1
Ongoing Governance OKR #6-1 ยท Data-viz #6-2 ยท ESG #6-3

Skills Matrix ยท Glossary ยท ETL Guide