A user requests certain columns from a database
A medium Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- medium
Interview Prompt
A user requests certain columns from a database. Use the <= operator to check if the request is a valid subset of allowed columns. Print True or False, then print the sorted list of any invalid columns (request - allowed).
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your python solution with real code execution
- Get instant feedback and a hire/no-hire decision