SQL Query Semantics
教育
免费 · 专为 iPad 设计。未针对 macOS 验证。
SQL Query Semantics is an independent study app for understanding how SQL queries really work. Use it to build confidence with relational logic, joins, grouping, null handling, predicates, subqueries, and result-set reasoning.
Designed for students, developers, data analysts, and interview candidates, the app includes 160 focused practice questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts.
Features:
- FSRS spaced-repetition intervals for smarter review
- Weak-point heatmap to spot topics that need work
- Daily challenge for consistent practice
- Mock exams for timed review
- Explanations for every question
- Offline practice with no login required
Practice offline, no login required.
Independent study app for SQL Query Semantics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.
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开发者“AFTW LLC”已表明该 App 的隐私规范可能包括下述数据处理方式。更多相关信息，请参阅 开发者隐私政策 。
未收集数据
开发者不会从此 App 中收集任何数据。
辅助功能
开发者尚未表明此 App 支持哪些辅助功能。 进一步了解
信息
- 提供者
- AFTW LLC
- 大小
- 40.2 MB
- 类别
- 教育
- 兼容性
设备需装有 iOS 15.1 或更高版本。
- iPhone
设备需装有 iOS 15.1 或更高版本。 - iPad
设备需装有 iPadOS 15.1 或更高版本。 - iPod touch
设备需装有 iOS 15.1 或更高版本。 - Mac
需要 macOS 12.0 或更高版本以及装有 Apple M1 或更高版本芯片的 Mac。 - Apple Vision
设备需装有 visionOS 1.0 或更高版本。
- iPhone
- 语言
- 英语
- 年龄分级
4+
- 4+
- 包含
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- 版权
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