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Importing from Oracle 8i to Oracle 10g

EXPERT RESPONSE FROM: Brian Peasland

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QUESTION POSED ON: 06 September 2007
I did a full export of a 8.1.7.4 database.
exp xxx/xxx full=y file=dd.dmp

Can I use the following command to import into an Oracle 10g R2 database?
imp xxx/xxx full=y ignore=y rows=y

What will happen to my sys and system objects? Will they have the 8i objects?

EXPERT RESPONSE

You can use the import command you give in step 1 above. However, use the 10g imp executable for this operation. I would also add the "log=imp.log" parameter so that the output is spooled to a log to help you resolve any errors.

You will probably receive some error messages about various SYS and SYSTEM objects that already exist. You can safely ignore these messages. When performing full imports, I ignore the messages for SYS and SYSTEM.

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