What are the risk involved in Database Migration from Oracle 7 to oracle10G

HI,
As a business requirement me are need to migrate our current production database (Oracle 7.3.4) to Oracle 10G R2.
I need to understand the Risk involved in doing so and corrective action required.
Your small input is greatly appreciated.
Thanks in advance.
Regards,
Vijay

As a business requirement me are need to migrate our current production database (Oracle 7.3.4) to Oracle 10G R2.
There is no risk.
but you can't upgrade directly from 7 to 10g.
you need to upgrade first 7 to 9 then 9 to 10g ( i would recommend to go with 11g)
Or
If database size is small the best is EXPORT /IMPORT. easy fast safe.
http://tahiti.oracle.com ===check the upgrade guide for more details.
You need to test the completely upgrade process on TEST eviourment before doing anything in production.
becuase a lots of changes between two database version.
1. You may be face "Performance" issue after upgrade. so need to check properly.
Regards,
Taj

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