# SQL教程 - 数据库系统原理

> SQL and database system tutorials with practice questions and learning aids. (iPhone/iPad app by 宏斌 樊.)

- Source: https://appshunter.io/ios/app/sql/id1459206680 (this page in markdown: same URL + `.md`)
- Developer: [宏斌 樊](https://appshunter.io/developer/1452129040)
- Category: Reference, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 13 MB
- Languages: Chinese
- Released: 2019-04-11
- Data updated: 2026-06-20
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sql/id1459206680/reviews.md

## What is SQL教程?

SQL教程包含了SQL教程和数据库系统教程和SQL与数据库系统的测试题库。

应用程序的特色功能:
1.收藏功能,通过收藏直接切换到上次读的位置和相对应的学习资料.
2.图片查看功能,支持图片缩放.
3.左右滑动翻前后章节.
4.双指往內或往外拨动,放大或缩小字体功能,支持多种字体大小.
5.支持横屏和纵屏两种方式阅读,方便快捷,图文并茂.

## Key features

- SQL and database system tutorials
- Practice question bank
- Bookmark last read position
- Image zooming
- Adjustable font sizes
- Portrait and landscape modes

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 去除广告插件 | $3.99 | one-time |



## Frequently asked questions about SQL教程

### What is SQL教程?

SQL教程 provides tutorials on SQL and database systems, along with a question bank for practice. It aims to help users learn and review these topics effectively.

### Does SQL教程 have ads?

Yes, SQL教程 contains advertisements. This allows the app to remain free for users while offering its educational content.

### Can I save my progress in SQL教程?

Yes, SQL教程 includes a bookmarking feature that allows you to save your last read position and related learning materials, making it easy to pick up where you left off.

### How can I adjust the text size in SQL教程?

SQL教程 supports adjustable font sizes, allowing you to zoom in or out using a two-finger pinch gesture. This ensures comfortable reading for all users.

### What devices is SQL教程 compatible with?

SQL教程 is designed for iOS devices, including iPhones and iPads. It supports both horizontal and vertical screen orientations for a convenient user experience.

### How often is SQL教程 updated?

The latest version of SQL教程 is 3.60, and it was last updated on October 6, 2025. Updates typically bring improvements and new content.

### What is the user rating for SQL教程?

SQL教程 has a perfect rating of 5.0 stars based on 1 review. This indicates a highly positive user reception.

### Is SQL教程 suitable for beginners?

Yes, SQL教程 covers fundamental concepts of SQL and database systems, making it suitable for beginners looking to learn these subjects.

## Version history (last 5 releases)

### 3.60 — 2025-10-06

1. 支持 iOS 26.0。

### 3.50 — 2025-01-04

1.支持iOS18.2。

### 3.30 — 2024-12-10

1.支持iOS18.1。

### 3.20 — 2023-12-08

1.支持iOS17。

### 2.90 — 2023-07-30

1. 修复UI 问题。
2. 支持iOS 16.4。

## More apps by 宏斌 樊

- [中国古诗词-国学经典赏析](https://appshunter.io/ios/app/id1185747521)
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- [Java程序设计](https://appshunter.io/ios/app/java/id1372576617)
- [Python编程学习通](https://appshunter.io/ios/app/python/id1395429052)
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- [Schulte Table-Speed Reading!](https://appshunter.io/ios/app/schulte-table-speed-reading/id1407932377)

All apps by 宏斌 樊: https://appshunter.io/developer/1452129040

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-20.*