https://github.com/praveendwivediii/leetcode-sql-50
This repository contains my solutions to LeetCode’s Top 50 SQL challenges. Great for mastering core SQL concepts and prepping for data interviews.
https://github.com/praveendwivediii/leetcode-sql-50
leetcode sql
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This repository contains my solutions to LeetCode’s Top 50 SQL challenges. Great for mastering core SQL concepts and prepping for data interviews.
- Host: GitHub
- URL: https://github.com/praveendwivediii/leetcode-sql-50
- Owner: Praveendwivediii
- Created: 2025-04-18T17:59:46.000Z (12 months ago)
- Default Branch: main
- Last Pushed: 2025-05-17T18:47:11.000Z (11 months ago)
- Last Synced: 2025-05-17T19:34:26.543Z (11 months ago)
- Topics: leetcode, sql
- Homepage:
- Size: 51.8 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
# 📊 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.