A text-formatted timestamp is captured in the exp output file's header, so no, the exp util can't be used as-is. Rich -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Maxim Sent: Wednesday, February 22, 2006 3:20 PM To: vadimbobrov@xxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Quick and dirty way to compare table contents Don't think it will work ( possible different nls settings, statistics come in mind), but even simply exported the same schema twice ( into different files) and got different checksums for both files. Regards Maxim