*Plus: Release 9.2.0.4.0 Production on Wed Nov 16 15:27:28 2005Copyright (c) 1982, 2002, Oracle Corporation.All rights reserved.Connect

。$ sqlplus "/ as sysdba"SQL*Plus: Release 10.1.0.3.0 Production on Wed Apr 13 09:53:25 2005Copyright (c) 1982, 2004, Oracle.All rig

1.数据库基本信息[oracle@standby oracle]$ sqlplus "/ as sysdba"SQL*Plus: Release 9.2.0.4.0

：C:\ORACLE错误现象：因误操作，数据库中某一数据文件被误删，控制面板的Oracle相关服务显示已启动，但用SQL*Plus无法连接，显示以下错误：ORA0103