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https://github.com/letsdeepchat/leetcode-sql-50
This repository contains solutions to the top 50 SQL problems on LeetCode, covering advanced string functions, regex, clauses, basic aggregation functions, joins, sorting, grouping, subqueries, and more.
https://github.com/letsdeepchat/leetcode-sql-50
deepak-chaudhari deepak14ri leetcode-solutions leetcode-sql-50 leetcode-sql-solutions
Last synced: 8 days ago
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This repository contains solutions to the top 50 SQL problems on LeetCode, covering advanced string functions, regex, clauses, basic aggregation functions, joins, sorting, grouping, subqueries, and more.
- Host: GitHub
- URL: https://github.com/letsdeepchat/leetcode-sql-50
- Owner: letsdeepchat
- Created: 2024-05-16T17:02:34.000Z (7 months ago)
- Default Branch: main
- Last Pushed: 2024-07-29T17:58:22.000Z (5 months ago)
- Last Synced: 2024-12-09T07:36:45.954Z (18 days ago)
- Topics: deepak-chaudhari, deepak14ri, leetcode-solutions, leetcode-sql-50, leetcode-sql-solutions
- Homepage:
- Size: 32.2 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# LeetCode SQL TOP 50 Solutions
This repository contains solutions to the top 50 SQL problems on LeetCode, covering advanced string functions, regex, clauses, basic aggregation functions, joins, sorting, grouping, subqueries, and more.
## Repository Structure
- `README.md`: An overview of the repository and how to use it.
- `advanced_string_functions_regex_clauses.sql`: Solutions for advanced string functions, regex, and clause-based problems.
- `basic_aggregation_function.sql`: Solutions focusing on basic aggregation functions like COUNT, SUM, AVG, etc.
- `basic_join.sql`: Solutions demonstrating various types of SQL joins (INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN).
- `select.sql`: Basic SELECT statement solutions.
- `sorting_and_group.sql`: Solutions for sorting and grouping data using ORDER BY and GROUP BY.
- `subqueries.sql`: Solutions involving subqueries.
## How to Use This Repository
1. Clone this repository to your local machine.
2. Open each SQL file in a text editor or IDE that supports SQL syntax highlighting.
3. Review the provided solutions and explanations.
4. Try solving the problems on your own before looking at the solutions.
5. Use these solutions as a reference or learning tool to improve your SQL skills.
## Latest Commit
**Author:** deepak14ri
**Commit Message:** new problem solved
**Latest Commit Hash:** b6bce78
**Date:** 12 hours ago
## History
- **SELECT**: Basic SELECT statement solutions to retrieve data from one or more tables.
- **BASIC AGGREGATION FUNCTION**: Solutions for filtering employee information using basic aggregation functions.
- **BASIC JOIN**: Demonstrates various join techniques to combine rows from two or more tables based on a related column.
- **SORTING AND GROUP**: Solutions for sorting and grouping employee information.
- **SUBQUERIES**: Solutions involving subqueries to perform operations within a query.
- **ADVANCED STRING FUNCTIONS + REGEX + CLAUSE**: Solutions for problems requiring advanced string manipulation, regular expressions, and specific SQL clauses.
## Contributing
Contributions are welcome Please feel free to submit a pull request if you have improvements or additional solutions.
## License
This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.