https://github.com/crunchypotata/sql-50-leetcode
This repository contains my personal solutions to the Top 50 SQL Questions on LeetCode.
https://github.com/crunchypotata/sql-50-leetcode
database leetcode-solutions postgresql sql
Last synced: 2 months ago
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This repository contains my personal solutions to the Top 50 SQL Questions on LeetCode.
- Host: GitHub
- URL: https://github.com/crunchypotata/sql-50-leetcode
- Owner: crunchypotata
- Created: 2025-06-27T14:13:35.000Z (about 1 year ago)
- Default Branch: master
- Last Pushed: 2025-06-27T14:47:24.000Z (about 1 year ago)
- Last Synced: 2025-06-27T15:46:47.632Z (about 1 year ago)
- Topics: database, leetcode-solutions, postgresql, sql
- Homepage: https://leetcode.com/studyplan/top-sql-50/
- Size: 5.86 KB
- Stars: 0
- Watchers: 0
- Forks: 0
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
# 📘 SQL 50: LeetCode Solutions
This repository contains my personal solutions to the [Top 50 SQL Questions](https://leetcode.com/studyplan/top-sql-50/) on LeetCode.
- I use **PostgreSQL** syntax for all queries.
- It contains tasks of different difficulty levels: **easy, medium, and hard**
- Each solution is grouped by topic for easier reference and learning.
## 📁 Topics
- [`Select`](Select/) — Basic `SELECT`, `WHERE`, `DISTINCT`, `HAVING`
- [`Basic_Joins`](Basic_Joins/) — `INNER JOIN`, `LEFT JOIN`, `RIGHT JOIN`, `FULL OUT JOIN`
- [`Basic_Aggregate_Function`](Basic_Aggregate_Function/) — `COUNT`, `SUM`, `AVG`, `GROUP BY`
## 💬 Notes
- I write all solutions for learning purposes.
- My [LeetCode](https://leetcode.com/u/Crunchy_Potata/) profile