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PY🔥 Day 5 – SQL Series: HAVING
Confused between WHERE and HAVING? 🤔
👉 WHERE filters rows
👉 HAVING filters groups
✨ What you learned today:
• HAVING is used with GROUP BY
• Filters grouped data using conditions
• Works with aggregate functions like COUNT(), SUM(), AVG()
📌 Syntax:
SELECT column, AGG_FUNC(column)
FROM table
GROUP BY column
HAVING condition;
📊 Example:
SELECT department, COUNT() AS total_employees
FROM employees
GROUP BY department
HAVING COUNT() > 2;
✅ Output: Shows only departments where employees are more than 2
🔥 Tip:
Use HAVING after GROUP BY to filter summarized data
🚀 Level up your SQL skills daily
Follow for Day 6 (JOINS)
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