A well-structured repository to track SQL problem solving, solution organization, and direct mapping between curated problem names and official LeetCode problem links. This repository is designed for systematic SQL interview preparation with clean folder structure, readable solutions, and easy navigation.
This repository helps organize SQL practice in a portfolio-friendly format by connecting each curated problem label to its official LeetCode page and linking each listed problem name to a local solution file inside the repository.
Click the Problem Name to open the local SQL solution file in the repository.
Click the LeetCode Link to open the official problem statement.
| Sr. No. | Problem Name | LeetCode Link |
|---|---|---|
| 1 | Large Nations | Big Countries |
| 2 | Profitable Customers in 2021 | Link to be added |
| 3 | Odd Non-Boring Movies | Not Boring Movies |
| 4 | Filter Records Excluding a Specific Pattern | Link to be added |
| 5 | Find Records Excluding a Given Set of Values | Link to be added |
| 6 | Find Salaries Outside the Expected Range | Link to be added |
| 7 | Non-Referred Customers | Find Customer Referee |
| 8 | First Login Analysis | Game Play Analysis I |
| 9 | Employee Work Time Summary | Find Total Time Spent by Each Employee |
| 10 | Unique Subjects per Teacher | Number of Unique Subjects Taught by Each Teacher |
| 11 | User Follower Count | Link to be added |
| 12 | CRM Automotive Sales Analysis | Link to be added |
| 13 | Highest Order Placing Customer | Link to be added |
| 14 | Frequent Actor-Director Duos | Link to be added |
| 15 | Large Classes | Classes More Than 5 Students |
| 16 | Email Duplicates | Duplicate Emails |