Analytics learning & certification · StrataScratch
StrataScratch
Practice-question site for data science and analytics interviews, built around real SQL, Python and product-analytics questions sourced from actual companies.
StrataScratch is a practice-question bank aimed squarely at interview preparation, not general skill-building: its SQL and Python coding questions and product-sense/case-study prompts are labeled by the company that reportedly asked them, letting a candidate target practice around a specific employer or role. Questions run in a browser-based code editor against real datasets, with solution discussions and difficulty filtering. It differs from DataCamp or Dataquest in scope — it assumes baseline SQL/Python competency and focuses on interview-style problem drilling rather than teaching concepts from zero. A free tier gives access to a limited set of questions; the paid tier unlocks the full question bank, company-tagged filtering, and mock interview features.
At a glance
| Vendor | StrataScratch |
|---|---|
| Pricing model | Free tier + paid plans |
| Free tier | Yes |
| Deployment | Cloud |
| Open source | No |
| Best for | Candidates drilling for data analyst or data scientist interviews with company-specific SQL and Python questions. |
Pricing
Free tier gives limited question access; a paid Premium subscription unlocks the full question bank.
Pricing has not been verified yet — see the vendor's site.
Features
- SQL and Python coding questions run in a browser-based editor
- Questions tagged by the company reportedly asking them
- Product-sense and case-study interview prompts
- Difficulty filtering and topic categorization
- Community solution discussions
- Mock interview practice tools (paid tier)
Profile last reviewed September 21, 2026