📊 LeetCode SQL 50 – Solutions

This repository contains my solutions to the Top 50 SQL questions on LeetCode. These problems help build a strong foundation in database querying and are commonly asked in data-related interviews.

Topics Covered

• Basic SELECT statements
• Filtering with WHERE, IN, EXISTS
• Aggregate functions (SUM, COUNT, AVG, etc.)
• GROUP BY and HAVING clauses
• Various types of JOINs
• Subqueries and Common Table Expressions (CTEs)
• Window functions like RANK(), DENSE_RANK(), ROW_NUMBER()

Repository Structure

Each file corresponds to one problem, named for clarity.