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626. Exchange Seats | SQL | LeetCode Series

The challenge is simple but interesting: swap the seats of every two consecutive students in the Seat table. But wait, there’s a catch! If the number of students is odd, the last student stays in their seat. 😅 🔍 What You’ll Learn: How to swap rows using SQL subqueries effectively. Mastering the CASE statement to apply logic based on id. Handling edge cases when the number of students is odd. 👩‍💻 Steps We Follow: Use id % 2 to identify odd and even rows. Write subqueries to fetch the next or previous student based on conditions. Tackle the special case of the last student when no swapping is needed. By the end, you’ll confidently solve this problem and apply similar logic to real-world SQL challenges. 💡 📝 Why Should You Watch? Perfect for SQL beginners and intermediate learners. Great preparation for coding interviews or LeetCode practice. Clear explanations with a focus on understanding, not just solving. Make sure to like, subscribe, and hit the notification bell for more coding tutorials! 💻✨ #SQLBasics #LeetCodeSQL #SQLTutorial #CodeChallenge #InterviewPrep #WomenInTech #ProgrammingTips #TechWithBhumika #LeetCodeSolutions