-- 1. Find total sales revenue by product.

用户用中文提问 → Agent 自动查表结构 → 生成 SQL → 执行查询 → 返回中文解读 ...

Gaurav . Exactly. Once you map SQL problems to real-world patterns, the complexity drops instantly. Interviews don’t test syntax they test how you think about data relationships and scenarios. When ...

Swap out subqueries for joins and see query time cut in half. ⚙️ I also cover how to read execution plans — your secret weapon for diagnosing query bottlenecks. 📈 TL;DR: Optimize queries. Improve ...