‌JavaDB（Apache Derby）的核心特性‌

1. ‌嵌入式与独立模式‌：
   • 无需单独安装，可直接嵌入Java应用运行（内存模式或文件模式）。‌‌1‌‌2
   • 也可作为独立数据库服务器使用。
2. ‌跨平台与轻量级‌：
   • 纯Java实现，兼容所有支持Java的平台。‌‌2‌‌3
   • 资源占用低，适合小型项目或原型开发。‌‌1‌‌4
3. ‌功能支持‌：
   • 完整支持ACID事务、SQL标准、索引及视图等关系型数据库功能。‌‌1‌‌2

‌使用场景与限制‌

1. ‌适用场景‌：
   • 桌面应用、移动应用等嵌入式环境。‌‌2
   • 快速原型开发或测试环境（如Spring Boot默认集成H2，但Derby类似）。‌‌5
2. ‌性能局限‌：
   • 不适合高并发或大数据量场景，需切换至MySQL等专业数据库。‌‌1‌‌4

‌快速启动示例‌

通过JDBC连接内存数据库的代码片段：

javaCopy Code
String url = "jdbc:derby:memory:myDB;create=true";
try (Connection conn = DriverManager.getConnection(url)) {
System.out.println("Derby数据库连接成功！");
} catch (SQLException e) {
e.printStackTrace();
}
```‌‌:ml-citation{ref="1" data="citationList"}‌‌:ml-citation{ref="6" data="citationList"}

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:::