How can i migrate data,if i would like design a new schema?

Hello,
My question like Michale,but i don't quite understand that how.
Plese explain details because i'm a beginner.The point is database tables
,data fields and other are some differential.
I will appreciate so much for your response.
Thank you

May be Oracle 8i
Please reply me or give any suggestion.
Thank you for your kindness.

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    Thanks in adance
    Arun M M

    What are you going to return the structure to? What I would normally use here if the code was going to be used by other PL/SQL would be a PL/SQL object type.
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