🎓 LeetCode SQL - Students and Examinations | Part 12 📊

🎓 LeetCode SQL - Students and Examinations | Part 12 📊

🔍 Problem Focus:

SQL Joins (especially LEFT JOIN)

Counting rows with conditions

Dealing with missing records using IFNULL or COALESCE

Aggregation using COUNT and GROUP BY

💡 Whether you're preparing for interviews or brushing up your SQL skills, this tutorial will help you understand how to write efficient queries and think like a data analyst.

🛠️ Tools Used:

MySQL (works with most SQL dialects)

LeetCode SQL Playground
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💬 Have any questions? Drop them in the comments below!

🔗 Related Videos:

Part 11: [Previous SQL Problem]

Part 13: [Next SQL Problem]

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