Skip to content
#

leetcode-sql

Here are 93 public repositories matching this topic...

This workstation is a central hub for mastering SQL, from foundational concepts to advanced query optimization and analytical patterns. It serves as a living repository of efficient, reusable solutions for real-world data challenges. The focus is on practical, performance-driven approaches to working with relational databa

  • Updated Mar 11, 2026
  • TSQL

This is a Leetcode database challenge. A country is big if: it has an area of at least three million (i.e., 3000000 km2), or it has a population of at least twenty-five million (i.e., 25000000). Write an SQL query to report the name, population, and area of the big countries. Return the result table in any order. The query result format is in th…

  • Updated Oct 4, 2022

Add this topic to your repo

To associate your repository with the leetcode-sql topic, visit your repo's landing page and select "manage topics."

Learn more