先用EXP导出啊
C:\Documents and Settings\py>exp scott/tiger tables='emp' file='c:\a.dmp'
Export: Release 9.2.0.1.0 - Production on 星期四 11月 4 13:53:18 2004
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
连接到: Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production
已导出 ZHS16GBK 字符集和 AL16UTF16 NCHAR 字符集