AUTOMATIC DATE while doing EXPDP----IMPDP

'date "+%Y%m%d%H%M%S"'

Use dumpfile=Uday_'date "+%Y%m%d%H%M%S"'.dmp


expdp system/********* full=Y directory=DATA_PUMP_DIR dumpfile=Uday_'date "+%Y%m%d%H%M%S"'.dmp logfile=Uday_'date "+%Y%m%d%H%M%S"'.log


impdp system/********* full=Y directory=DATA_PUMP_DIR dumpfile=Uday_'date "+%Y%m%d%H%M%S"'.dmp logfile=Uday_'date "+%Y%m%d%H%M%S"'.log