Toni V.

I’ve been spending more time helping people learn SQL in a practical, real-world way. A lot of learners struggle with SQL not because it’s hard, but because most practice problems don’t reflect how data is actually used in real jobs. So I’ve been focusing on: Writing queries from scratch JOINs, aggregations, window functions Working through messy, realistic datasets Interview-style SQL practice My background is in healthcare data and analytics, where SQL is used daily across claims and opera…