LeetCode 3220. Odd and Even Transactions | SQL Solution Explained Step-by-Step

Published: 22 June 2025
on channel: InsightVanta

🔍 LeetCode 3220. Odd and Even Transactions | SQL Solution Explained Step-by-Step

Welcome to this SQL-focused walkthrough of LeetCode 3220: Odd and Even Transactions! In this video, we tackle a unique SQL problem that tests your ability to handle conditional logic, use MOD, and aggregate data efficiently.

You’ll learn:

How to identify and classify transactions as odd or even using SQL

Writing clean, efficient, and optimized SQL queries for interview success

Real-world application of parity logic with SQL CASE statements and aggregations

Step-by-step breakdown with proper explanation and best practices

Whether you’re prepping for data analyst, data engineer, or database roles — this problem on LeetCode 3220. Odd and Even Transactions will boost your confidence in solving SQL-based coding interview questions.

📌 SQL Topics Covered:

CASE WHEN logic

MOD() function

GROUP BY and conditional aggregation

Writing clean and readable SQL queries

🎯 This video on LeetCode 3220. Odd and Even Transactions is perfect for:

SQL beginners aiming to grow

Data professionals prepping for interviews

Anyone strengthening their LeetCode SQL practice

🔥 Don’t forget to LIKE 👍, SUBSCRIBE 🔔, and COMMENT 💬 your solution or query.

📘 This breakdown of LeetCode 3220. Odd and Even Transactions will sharpen your SQL and make you interview-ready!

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