odps里面，我写了一个udf，java代码中的udf已经按照阿里云例子写的（继承了UDF），但是在odps sql里面调用的时候报错错误： FAILED: ODPS-0140051:Invalid function - Class org.xx.xx.xxx.odps.udf.xxx does not implement UDF, GenericUDF, or UDAF

问答 2022-04-15 来自：开发者社区

咨询下阿里云数据库是可以提供数据库外网访问吗？想用来培训，演示sql命令

阿里云数据库，购买后，就可以直接访问？可以用来培训上课用吗？里面是否有表和数据

问答 2022-04-15 来自：开发者社区

阿里云虚拟主机无法连接sql数据库

当打开ThinkPhp网站上竟然报错，自己网站上此框架配置已经改服务器IP，数据库，数据库用户，数据库密码

问答 2022-04-15 来自：开发者社区

通过excel的VBA 能否直接访问阿里云的RDS数据库（SQL Server 2012）

1、我的需求：我已经做了一个C/S的信息管理系统，客户端用的是EXCEL，数据库是局域网内的SQL SERVER，现在我只想把数据库迁移到阿里云中去（比如：迁移到云虚拟主机，或RDS数据库都可以），通过租用阿里的云，实现原来用户仍能通过EXCEL 直接访问SQL数据库中的数据，实现信息的集中存储、共享和业务应用。2、我当前了解到：RDS数据库可以设置外网访问RDS数据库模式，并将应用服务IP加入....

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