Kohei Kikuchi held a 6-week SQL class called "SQL Honki-Juku" for non-engineers at his company to teach them how to extract and analyze data. The curriculum focused on practical SQL skills needed for the company database rather than following a typical textbook order. Using real company data engaged the students and 9 staff from various roles enrolled. The class resulted in students learning faster than expected and feeling excited to program and see real database structures for the first time. One student even began extracting data in their everyday work.