Role: Data Analyst

ForWriting your first real SQL SELECT/JOIN in-browser, no signup.

WhyExcellent beginner pacing (fundamentals only — pair with Mode SQL).

ForBeginners who want a focused, practical Python foundation.

WhyPython-only CS50 track; gentle, project-based, free certificate.

ForA deeper, concepts-first programming course, or gentle data science.

WhyBerkeley's famous intros with free interactive textbooks.

ForAspiring data/ML practitioners wanting quick hands-on micro-courses.

WhyFree, bite-size notebooks (Python, Pandas, ML, DL) on real datasets.