其实不需要登录OMS就可以进SQLPLUS的,用DBA previlege就可以,不过注意： server name应该用你的SID，一般你安装后建立数据库时应该设置成与数据库名相同。 在系统的service 里，你必须启动OracleOraHomeTNSlListener和OracleServiceXXXDB两个services. 再试试？？？？？ 如不行， 我猜你的问题源于这几中可能： 1， lisener file不正确，在OraHome---Network----Admin----Listener.ora （还有tnsname.ora里）有这样的format: LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0)) ) (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = pacificsun)(PORT = 1521)) ) ) (DESCRIPTION = (PROTOCOL_STACK = (PRESENTATION = GIOP) (SESSION = RAW) ) (ADDRESS = (PROTOCOL = TCP)(HOST = pacificsun)(PORT = 2481)) ) ) SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = PLSExtProc) (ORACLE_HOME = C:\Oracle) (PROGRAM = extproc) ) (SID_DESC = (GLOBAL_DBNAME = XXXdb) ' XXXdb 为你的 (more...)