The Zero to SQL 90 Days Roadmap is a 90-day roadmap to learn the theory behind SQL syntax. Learn various Database Management concepts that help you tackle real life problems. Practice SQL with inquisitive Case Studies at [selectstarsql.com] Day 30-45: Advanced SQL with Philip.com. Day 60-75: Portfolio Projects with Philip. Day 75-90: Practice on Datalemur.com.com with questions asked by FAANG on my favorite SQL practice website.