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From: gitee-bot <no-reply@git.oschina.net>
Date: Tue, 2 Dec 2025 04:41:48 +0000
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+# SQL Practice
+
+This project is a code repository focused on SQL learning and practice, designed to help users master the SQL query language through hands-on exercises. It includes two main sections—chapter exercises and case-based practice—suitable for both beginners and learners with some foundational knowledge.
+
+## Directory Structure
+
+- **SQL Programming/1.Chapter Exercises**  
+  Contains SQL scripts for chapter exercises, ideal for gradually learning the fundamentals of SQL.
+
+- **SQL Programming/2.Case Practice**  
+  Contains SQL scripts for multiple real-world cases, covering table creation, data insertion, and query operations to help users apply SQL in practical scenarios.
+
+- **SQL Programming/SQLite**  
+  Contains SQLite-related script files for practicing with SQLite databases.
+
+- **SQL Programming/duckdb**  
+  Contains DuckDB-related script files for practicing with DuckDB databases.
+
+- **SQL Programming/*.csv**  
+  Provides CSV data files for importing into databases to support practice exercises.
+
+## Usage Instructions
+
+1. **Select Practice Content**  
+   Choose SQL scripts from either the chapter exercises or case practice based on your learning goals.
+
+2. **Set Up the Database Environment**  
+   Install the appropriate database environment (SQLite or DuckDB) according to the script type.
+
+3. **Execute SQL Scripts**  
+   Use a database tool to run the SQL scripts and perform operations such as creating tables, inserting data, and querying.
+
+4. **Practice Querying**  
+   Improve your SQL writing skills by modifying and optimizing SQL query statements.
+
+## Contribution Guidelines
+
+Contributions of new SQL exercises or improvements to existing scripts are welcome. Please follow these steps:
+
+1. Fork this repository.
+2. Create a new branch (`git checkout -b feature/new-sql-exercise`).
+3. Commit your changes (`git commit -am 'Add new SQL exercise'`).
+4. Push the branch (`git push origin feature/new-sql-exercise`).
+5. Submit a Pull Request.
+
+## License
+
+This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.
+
+## Contact
+
+For any questions or suggestions, please open an Issue or contact the author via [Gitee](https://gitee.com/ew1994/sql-practice).
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+# SQL Practice
+
+本项目是一个专注于 SQL 学习与实践的代码库，旨在帮助用户通过实际操作掌握 SQL 查询语言。项目包含章节练习和案例实践两个主要部分，适合初学者和有一定基础的学习者进行练习。
+
+## 目录结构
+
+- **SQL Programming/1.Chapter Exercises**  
+  包含章节练习的 SQL 脚本，适合逐步学习 SQL 的基础知识。
+
+- **SQL Programming/2.Case Practice**  
+  包含多个实际案例的 SQL 脚本，涵盖数据表的创建、数据插入和查询操作，帮助用户在真实场景中应用 SQL。
+
+- **SQL Programming/SQLite**  
+  包含 SQLite 相关的脚本文件，适用于 SQLite 数据库的练习。
+
+- **SQL Programming/duckdb**  
+  包含 DuckDB 相关的脚本文件，适用于 DuckDB 数据库的练习。
+
+- **SQL Programming/*.csv**  
+  提供了一些 CSV 格式的数据文件，用于导入数据库进行练习。
+
+## 使用方法
+
+1. **选择练习内容**  
+   根据您的学习目标，选择章节练习或案例实践中的 SQL 脚本。
+
+2. **准备数据库环境**  
+   根据脚本类型（SQLite 或 DuckDB），安装相应的数据库环境。
+
+3. **执行 SQL 脚本**  
+   使用数据库工具执行 SQL 脚本，进行数据表的创建、数据插入和查询操作。
+
+4. **练习查询**  
+   通过修改和优化 SQL 查询语句，提升您的 SQL 编写能力。
+
+## 贡献指南
+
+欢迎贡献新的 SQL 练习题或优化现有脚本。请遵循以下步骤：
+
+1. Fork 本仓库。
+2. 创建新分支 (`git checkout -b feature/new-sql-exercise`)。
+3. 提交更改 (`git commit -am 'Add new SQL exercise'`)。
+4. 推送分支 (`git push origin feature/new-sql-exercise`)。
+5. 提交 Pull Request。
+
+## 许可证
+
+本项目遵循 MIT 许可证。详情请参阅 [LICENSE](LICENSE) 文件。
+
+## 联系方式
+
+如有任何问题或建议，请通过 [Gitee](https://gitee.com/ew1994/sql-practice) 提交 Issue 或联系作者。
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