标题: ORA-28026: user with same external name [打印本页] 作者: admin 时间: 2016-9-2 14:00 标题: ORA-28026: user with same external name ORA-28026: user with same external name already exists Cause: The external namespecified for the user being created or altered already
exists for another user. Action: External names mustbe unique among users. Specify another.