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If you can afford a few hours down time exp/imp works great.
1- pre-create database in target system
2- full export from source system - on-the-fly exp/gzip preferred
3- ftp to target system
4- full import into target system - on-the-fly gunzip/imp preferred
5- check object counts, check invalid objects, contraints, etc.
You can run it twice, first time to gauge elapsed time and issues, second time for real.
Pablo (Paul) Berzukov
Author of Understanding Database Administration available at amazon and other bookstores.
Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
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