数据库备份时出现错误!!在线等..
D:\Documents and Settings\Administrator>exp80
Export: Release 8.0.5.0.0 - Production on Thu Sep 8 9:56:31 2005
(c) Copyright 1998 Oracle Corporation. All rights reserved.
Username: winnix
Password:
EXP-00056: ORACLE error 12203 encountered
ORA-12203: TNS:unable to connect to destination
EXP-00222:
System error message 2
System error message: No such file or directory
EXP-00000: Export terminated unsuccessfully