/Leetcode-SQL-solutions

Solutions to some tricky problems on Leetcode

👨‍💻 Solutions to LeetCode's SQL Problems 📝

LeetCode Logo

This repository contains the solutions to some SQL problems available on LeetCode. Click here to view all the Database problems available on LeetCode's website.

🧾 Questions

1. Exchange Seats 💺

  • CASE statement

2. Confirmation Rate 📈

  • CASE statement, IF function, Aggregation

3. Customers Who Brought All Products 📦

  • Subquery

4. Monthly Transactions 🏦

  • DATE_FORMAT, Conditional statements and aggregation

5. Count Salary Categories ₹

  • UNION, SUM

6. Movie Rating 🎬

  • UNION ALL, JOIN

7. Immediate Food Delivery II 🍔

  • Comparison, CASE, Aggregation