oracle导出数据库dmp文件

@ECHO OFF
ECHO 备份 SCOTT 用户的数据……
SET DBUserName=scott
SET DBPassword=1234
SET DBName=orcl
SET DATE_STRING=%DATE%
SET TIME_STRING=%TIME%

IF "%DATE_STRING:~3,1%"==" " (
    SET DATE_STRING=%DATE:~4,10%
) ELSE (
    SET DATE_STRING=%DATE:~0,10%
)

IF "%TIME_STRING:~0,1%"==" " (
    SET TIME_STRING=0%TIME_STRING:~1,1%-%TIME_STRING:~3,2%-%TIME_STRING:~6,2%
) ELSE (
    SET TIME_STRING=%TIME_STRING:~0,2%-%TIME_STRING:~3,2%-%TIME_STRING:~6,2%
)

SET DMPFILENAME=%DBUserName%_%DATE_STRING%_%TIME_STRING%.DMP
SET RARFILENAME=%DBUserName%_%DATE_STRING%_%TIME_STRING%.RAR

EXP %DBUserName%/%DBPassword%@%DBName% FILE=d:\backup\scott%date:~0,4%_%date:~5,2%_%date:~8,2%.dmp

RAR A %RARFILENAME% %DMPFILENAME% -M5 -DF

ECHO %TIMESTRING%
ECHO ========================================
ECHO 已导出DMP文件："%DMPFILENAME%"
REM PAUSE