⚡️ Курсы бесплатно:

Excel: https://excel-practice-online.com

SQL: http://sqlbolt.com

Tableau: http://tableau.com/learn/starter-kits

Power BI: https://powerbi.microsoft.com/en-us/learning/

Python: https://freecodecamp.org/news/learn-data-analysis-with-python-course/

AI и ML: https://freecodecamp.org/news/machine-learning-with-python-and-scikit-learn/

@bigdatai