Completed Sql4

[kaaviyavarrshini]

No description provided.

[super30admin]

The student has not provided any solution to the problem. Without any code or approach to evaluate, it's impossible to assess correctness, time complexity, space complexity, code quality, or efficiency.

For future submissions, the student should:

1. Ensure they submit their complete solution code
2. Include comments explaining their approach if the solution is complex
3. Test their solution against various edge cases
4. Consider time and space complexity in their implementation

Since no solution was provided, I cannot evaluate whether it solves the problem or meets any of the criteria.