This repository contains my solutions to SQL problems from LeetCode. It serves as a portfolio to showcase my SQL skills using real-world-like datasets and challenges.
I’m currently building my data analysis and SQL skills by solving structured query problems. LeetCode provides a wide range of challenges that simulate real-world scenarios such as:
- Customer analytics
- Sales reporting
- Referral programs
- Inventory tracking, etc
The problems are organized by difficulty level. Each file contains:
- A brief problem description
- My SQL solution
- Optional notes or alternative approaches
- Select
- Aggregations & GROUP BY
- JOINs & Subqueries
- Window Functions
- Filtering & Sorting
All problems are from LeetCode's SQL practice section.