Derby supports a collection of extended connection url options such as the ability to indicate whether or not the database should be created automatically when the jdbc driver attempts to connect to it ; whether or not to encrypt the database and various options relating to that encryption process ; and so on Derby支持一组扩展的连接url选项，例如可以说明在jdbc驱动程序尝试连接到数据库时是否应该动态创建数据库；是否加密数据库以及与加密过程相关的各种选项；等等。要了解关于连接字符串的完整细节，请参阅derby文档。
