If file is not specified for exp, the default path is the current path of CMD. When executing the exp command in the morning, the FILE path is missing. The command is as follows: www.2cto.com C: \ Users \ Administrator> exp scott/scott @ orcl file = scott. dmp Export: Release 11.1.0.6.0-Production on Tuesday January 8 12:58:38 2013 Copyright (c) 1982,200 7, Oracle. all rights reserved. connect to: Oracle Database 11g Enterprise Edition Release 11.1.0.6.0-ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing Options: The ZHS16GBK Character Set and AL16UTF16 NCHAR character set have been exported. exporting objects and operations in the pre-schema process. exporting User SCOTT's external function library name. export a PUBLIC synonym. exporting the special type synonym. exporting SCOTT's object type definition ........ N rows are omitted. exporting statistics is being exported successfully. No warning is displayed. Www.2cto.com later found that the exported file could not be found. The exported file is large and takes up a lot of disk space. Therefore, you need to find it and delete it. I checked it online and found that I had not found it in the root directory of disk C. Later I thought about it. It should be in the current directory of CMD, so in "run", enter "CMD" to open the MSDOS window. The current path in the window is: microsoft Windows [version 6.1.7600] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C: \ Users \ Administrator> the volume in the dir drive C is the serial number of the win7System volume is the B20E-90E0 C: \ Users \ Administrator directory www.2cto.com ...... 16,384 scott. dmp ...... 4 files, 20,044 bytes, 31 directories, 21,285,744,640 available bytes. The exported files are found in the C: \ Users \ Administrator directory.