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Re: Migrate 200 Million of rows

From: michael ngong <mngong_at_yahoo.com>
Date: 22 Jul 2003 12:16:07 -0700
Message-ID: <ecf365d5.0307221116.5f7268d9@posting.google.com>


nuno.tavares_at_ams.com (Nuno) wrote in message news:<b3a1403c.0307220250.5894804d_at_posting.google.com>...
> Hi,
>
> I would like to migrate 200 Million records. Furthermore my new table
> will have more fields that the old one. The new table will be in
> different database therefore a link will be used as well.
>
> I was thinking about:
> Strategy A)
> 1) create table ... as select * from
>
> with a join with temporary table to make the new table with new
> columns
>
> 2) create index, contraints etc
>
> Strategy B)
>
> 1) create table
>
> 2) create index and make it unusable (I have to check if this is
> possible in v8.0.5)
>
> 2) Insert into /*+ APPEND */ select * from
>
> 3) rebuild the index, constraints etc
>
> Could you please help me in the best strategy to perform this task?
>
> Do you have any more suggestions

I am wondering why you did not use the obvious Import/export?

Michael Tubuo Ngong Received on Tue Jul 22 2003 - 14:16:07 CDT

Original text of this message

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