This repository contains my solutions to the Leetcode SQL Top 50 questions. I've covered a wide range of SQL topics, including:
- Select: Basic SELECT queries to retrieve data from a single table.
- Joins: Using JOIN operations to combine data from multiple tables.
- Aggregate Functions: Utilizing functions like COUNT, SUM, AVG, etc., to perform calculations on groups of rows.
- Sorting and Grouping: Ordering and grouping data using ORDER BY and GROUP BY clauses.
- Advanced Select and Joins: More complex SELECT queries and JOIN operations.
- Subqueries: Using subqueries to nest SELECT statements within other SQL statements.
- Advanced String Functions / Regex / Clause: Utilizing advanced string functions, regular expressions, and other clauses in SQL queries.
Feel free to explore the solutions and explanations provided in this repository to enhance your understanding of SQL.