如何查看oracle的exp导出的.dmp文件的用户

由于某种原因(是由别人很久以前导出的，这个人你已经联系不到)，只有exp导出的.dmp文件，不知道用户导出的用户名或表名的信息，可以使用下面的方法：

[oracle@dg01] exp thomas/thomas owner=thomas file=1.dmp
Export: Release 10.2.0.4.0 - Production on Thu Mar 26 18:29:32 2009
Copyright (c) 1982, 2007, Oracle.   All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses ZHS16GBK character set (possible charset conversion)
About to export specified users ...
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user THOMAS
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user THOMAS
About to export THOMAS's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export THOMAS's tables via Conventional Path ...
. . exporting table                         TEST       10 rows exported
. exporting synonyms
. exporting views
. exporting stored procedures
. exporting operators
. exporting referential integrity constraints
. exporting triggers
. exporting indextypes
. exporting bitmap, functional and extensible indexes
. exporting posttables actions
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting statistics
Export terminated successfully without warnings.
[oracle@dg01]
[oracle@dg01] head -10 1.dmp |strings
EXPORT:V10.02.01
DTHOMAS     --导出用户
RUSERS    --以owner的方式，如果是以表的方式则是：RTABLES
8192
                                     Thu Mar 26 18:29:32 20091.dmp
#C##
#C##
+00:00
BYTE
UNUSED
INTERPRETED
DISABLE:ALL