SQL Question: What is Difference Between Where and Having Clause in SQL || Interview Preparation

What is Difference Between Where and Having Clause in SQL || Interview Preparation

Welcome to our SQL tutorial series! In this video, we'll explore and clarify the distinctions between the WHERE and HAVING clauses in SQL. These clauses play crucial roles in data filtering and aggregation, and understanding when to use each is essential for crafting efficient and effective SQL queries.

📌 Key Topics Covered:

Introduction to WHERE Clause: Learn how the WHERE clause is used for filtering rows based on specified conditions in SQL queries.
Understanding HAVING Clause: Dive into the HAVING clause, which is primarily used with GROUP BY to filter aggregated results based on specified conditions.

When to Use WHERE vs. HAVING: Explore real-world examples and scenarios to understand the situations where each clause is most appropriate.

SQL Query Optimization: Gain insights into optimizing your SQL queries for better performance by using the right clause in the right context.
Best Practices: Discover best practices for writing clean and efficient SQL code, balancing the use of WHERE and HAVING clauses.

Whether you're a SQL beginner or looking to refine your SQL skills, this video will provide valuable insights into these fundamental SQL clauses. If you find this tutorial helpful, don't forget to like the video and subscribe to our channel for more SQL tips and tutorials.