Mastering SQL: Summarizing Data with HAVING Clause & Correlated Subqueries

In this SQL tutorial, we’ll explore how to summarize data effectively using the HAVING clause and correlated subqueries. Learn how to filter aggregated results, apply conditions to grouped data, and use subqueries that dynamically adjust based on the outer query. Perfect for beginners and advanced SQL learners alike! 📌 Topics Covered: ✅ Understanding the HAVING Clause ✅ Filtering Aggregated Data ✅ Using Correlated Subqueries for Dynamic Data Retrieval ✅ Practical Examples & Best Practices