Can I sync an existing database using a .dmp file?

by Brent Sandstrom   Last Updated June 15, 2018 15:06 PM

I have two oracle databases (production and lab). When I created the lab database I imported a .dmp file from production to copy the data. Now that the database has been running for a while the data is out of sync and I'd like to import again. What's the easiest way to do this?

I tried using imp again but it shows errors now since the tables are already there. I could delete the data files and re import I suppose.

Edit: This is what I've tried:

$ imp user/password file=MyExportFile.dmp

following statement failed because the object already exists:
Import terminated successfully with warnings.

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