As a Data Scientist, on daily bases, I make use of SQLite and T-SQL, Python, and Powerbi. Therefore, if you need a solution for a real case issue and as training for a preparatory purpose feel free to contact me. Powebi: Dax calculations, Data visualization, Data creating relationship, Power Query SQL: Creating Tables, Create Views, how query using multiple conditions, familiarizing operators, and regular expressions Python: Integrate Python with SQL, Python to use forecasting, Web scraping using HTLM, Web scraping Json