"I created a structured SQL learning roadmap covering Database Fundamentals → SELECT → JOINs → Aggregations → Window Functions → Performance Optimization. I'd like feedback from experienced SQL users. What would you add or remove?"

"I created a structured SQL learning roadmap covering Database Fundamentals → SELECT → JOINs → Aggregations → Window Functions → Performance Optimization. I'd like feedback from experienced SQL users. What would you add or remove?"