Having Clause

# Mastering the HAVING Clause: Filtering Aggregate Results in SQL Have you ever needed to filter the results of a SQL query *after* applying aggregate functions like `COUNT`, `SUM`, or `AVG`? The `WHERE` clause can't do that because it filters rows *before* aggregation. That's where the `HAVING` clause comes in. It's your secret weapon for refining insights from grouped data. Imagine you want to find all departments with more than 5 employees – `HAVING` makes it simple. This guide will equip