Oracle 10g 用sys用户执行数据库导入导出

错误现象： [Oracle@www.linuxidc.com data]$ exp sys/oracle@www.linuxidc.com as sysdba file=/data/sys.dmp log=/data/sys

错误现象：

[Oracle@ data]$ exp "sys/oracle@ as sysdba" file=/data/sys.dmp log=/data/sys.log full=y;
LRM-00108: invalid positional parameter value 'as'

EXP-00019: failed to process parameters, type 'EXP HELP=Y' for help
EXP-00000: Export terminated unsuccessfully

原因：
   这个可能是Oracle10g的一个BUG，只需按照如下两种方法即可：

解决办法：

    第一种方法：
[oracle@ data]$ exp \"sys/oracle as sysdba\" file=/data/sys.dmp log=/data/sys.log full=y;

Export: Release 10.2.0.1.0 - Production on Wed May 2 19:20:12 2012

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses WE8ISO8859P1 character set (possible charset conversion)

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About to export the entire database ...
. exporting tablespace definitions
. exporting profiles
. exporting user definitions
. exporting roles
. exporting resource costs

    第二种方法：
[oracle@ ~]$ exp \'sys/oracle as sysdba\' file=/data/sys1.dmp log=/data/sys1.log full=y;

Export: Release 10.2.0.1.0 - Production on Wed May 2 19:26:08 2012

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses WE8ISO8859P1 character set (possible charset conversion)

About to export the entire database ...
. exporting tablespace definitions^[
. exporting profiles
. exporting user definitions