标题: ORA-00042: Unknown Service name string [打印本页] 作者: admin 时间: 2016-7-7 10:58 标题: ORA-00042: Unknown Service name string ORA-00042: Unknown Service name string Cause: An attempt was made to use an invalid application service. Action: Use a valid service name from SERVICE$ or add a new service using the DBMS_SERVICE package.