Practice SQL Scripts From Interview Prep Websites
These are scripts that answer questions from leetcode, hackerank and sqlzoo. Links to questions and my answers are below!
LeetCode
| Question | Answer |
|---|---|
| Employees earn more than their managers | Solution |
| Second highest salaries | Solution |
| Customers who never order | Solution |
| Duplicate Emails | Solution |
| Rising Temperatures | Solution |
Hacker Rank
| Question | Answer |
|---|---|
| Japanese Cities | Solution |
| Earnings of employees | Solution |
| Weather Observation Station 8 | Soluton |
| Weather Observation Station 9 | Soluton |
| More Than 75 Marks | Solution |
| The Pads | Solution |