Quarry: SQL & Data Interview
교육
무료 · iPad용으로 디자인됨 · macOS용으로는 확인되지 않음
Data interview practice that runs entirely on your device. Write real SQL and Python (pandas), get graded instantly, and see exactly why.
NEW IN 1.1
• Designed for iPhone Duo: question and editor side by side when open, a focused layout when closed, and it adapts as you fold.
• A new native design for iPhone and iPad, in light and dark mode.
• 60 new problems: a staff-level data engineering set (gaps and islands, sessionisation, slowly changing dimensions, funnels, retention) and company-style SQL sets.
• Clearer results: instant correct / not quite feedback, expected vs. actual tables, and the query plan for your SQL.
WHAT'S INSIDE
• 168 problems across three tracks: 61 SQL, 22 pandas and 85 Python (algorithms and data structures).
• Real execution, real grading. Your output is checked against the expected result, with no self-marking.
• Company-style practice. Filter problems written in the style of the company you're interviewing at.
• Hints and full solutions when you're stuck.
• Difficulty levels from Easy to Hard, grouped by topic.
• A free-form Playground for scratch SQL and Python.
PRIVATE BY DESIGN
No accounts. No analytics. No ads. No tracking. Quarry collects nothing and works fully offline.
Built by a working data engineer, for analysts, data engineers, data scientists and software engineers who want a quiet, fast place to actually practice.
평가 및 리뷰
- 이 앱은 개요를 표시할 만큼 충분한 리뷰 또는 평가를 받지 않았습니다.
• Designed for iPhone Duo: question and code side by side, adapts as you fold
• 60 new problems, including a staff-level data engineering set
• New native design with light and dark mode
• Clearer results with instant correct or incorrect feedback
• See the query plan for your SQL
• Bug fixes and performance improvements
Mayank Gulaty 개발자가 아래 설명된 데이터 처리 방식이 앱의 개인정보 처리방침에 포함되어 있을 수 있다고 표시했습니다. 자세한 내용은 개발자의 개인정보 처리방침 을 참조하십시오.
데이터가 수집되지 않음
개발자가 이 앱에서 데이터를 수집하지 않습니다.
손쉬운 사용
개발자가 이 앱이 지원하는 손쉬운 사용 기능을 아직 등록하지 않았습니다. 더 알아보기
정보
- 제공자
- Mayank Gulaty
- 크기
- 134.1 MB
- 카테고리
- 교육
- 호환성
iOS 18.0 이상 필요
- iPhone
iOS 18.0 이상 필요 - iPad
iPadOS 18.0 이상 필요 - Mac
macOS 15.0 이상 및 Apple M1 칩 이상이 탑재된 Mac이 필요 - Apple Vision
visionOS 2.0 이상 필요
- iPhone
- 언어
- 영어
- 연령 등급
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