Learn SQL - Let Us SQL
教育
免費 · 專為 iPad 設計。尚未針對 macOS 驗證。
Let Us SQL is a learn-anywhere app that takes you from zero to confident with SQL, the language behind every database. No prior coding experience needed — you'll learn by doing, one bite-sized lesson at a time, until reading and writing SQL feels like second nature. Best of all, everything is taught using PostgreSQL, one of the most widely used databases in the real world, so the skills you build here are skills you'll actually use.
85 LESSONS. 11 CHAPTERS. A CLEAR PATH FROM BEGINNER TO JOB-READY.
We've laid out a complete, carefully sequenced curriculum: 11 chapters and 85 lessons in total. You'll start with your very first SELECT, then move on to filtering with WHERE, sorting with ORDER BY, working with text, date, and number functions, aggregating data with GROUP BY and HAVING, writing subqueries, combining tables with JOIN, handling transactions, and finally creating tables with primary and foreign keys. Each step builds naturally on the last — and a set of real-world practice exercises at the end ties everything together.
LEARN BY DOING, NOT JUST READING
Every lesson pairs plain-English explanations with real query examples and hands-on fill-in-the-blank exercises. The sample data is drawn from everyday scenarios — a zoo, restaurant reservations, an online store — so you always know why a query matters, not just how to type it. Answer a question and you'll see instantly whether you got it right, so nothing slips through the cracks.
BUILD A HABIT THAT STICKS
A progress bar shows how far you've come, and a daily streak counter keeps you coming back. Your progress is saved right on your device, so you can always pick up exactly where you left off.
MADE FOR YOU IF YOU'RE…
• Brand new to SQL and looking for a friendly place to start
• Taking your first steps toward data analysis or engineering
• Looking to learn in the small pockets of time throughout your day
LITTLE THINGS YOU'LL LOVE
• No sign-up required — just open it and start learning
• Works offline, wherever you are
• An AI helper on hand whenever a question comes up
• Clean syntax highlighting and a simple, distraction-free design
Start today and learn at your own pace. Let Us SQL makes mastering data feel easy.
評分與評論
- 此 App 尚未收到足夠的評分或評論，無法顯示概覽。
Internal improvements
開發者Osamu Nishiyama指出App的隱私權實務可能包含下方描述的資料處理。如需更多資訊，請參閱 開發者的隱私權政策 。
不會與你連結的資料
系統可能會收集以下資料，但不會將其與你的身分連結：
- 使用狀況資料
- 診斷
輔助使用
開發者尚未表示此 App 支援的輔助使用功能。 進一步瞭解
資訊
- 供應商
- Osamu Nishiyama
- 大小
- 31.3 MB
- 類別
- 教育
- 相容性
需要 iOS 15.0 或以上版本。
- iPhone
需要 iOS 15.0 或以上版本。 - iPad
需要 iPadOS 15.0 或以上版本。 - iPod touch
需要 iOS 15.0 或以上版本。 - Mac
需要 macOS 12.0（或以上版本）以及配備 Apple M1（或以上版本）晶片的 Mac。 - Apple Vision
需要 visionOS 1.0 或以上版本。
- iPhone
- 語言
- 英文
- 年齡分級
4+
- 4+
- 版權
- © 2026 Osamu Nishiyama