Oracle-L: Re: Move ALL Data from 1 Database into Another

From: Yechiel Adar <adar76_at_inter.net.il>
Date: Wed, 13 Nov 2002 09:23:49 -0800
Message-ID: <F001.0050249B.20021113092349@fatcity.com>

No matter how you do it, do it in parallel. Export and import, or CTAS, by schema or tables so you can run them in parallel.

Yechiel Adar
Mehish
----- Original Message -----
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> Sent: Wednesday, November 13, 2002 7:03 PM

Qs What would be the FASTEST way to Load ALL Data from a Source Database Existing in 7.3.4 into an Empty Target Database in 8.1.7.4 ?

NOTE - Creation Fresh (NEW) Database is a Must because Some of the Data Dictionary Objects have got Corrupted & the Standard Migration of the Same Oracle 7 Database to Oracle 8i did NOT Correct the Corruption Either.

Qs Would Creating a Database Link between the 2 Databases & using CREATE TABLE <TABLE NAME IN 8i DB> NOLOGGING PARALLEL (DEGREE n) AS SELECT * FROM <TABLE NAME IN 7.3.4 DB>@DB_LINK be FASTER than taking Full Database Export (exp) of the Oracle 7 Database & Importing (imp) to the Oracle 8i Database ?

ASSUMPTION - Both Databases Exist on the SAME Storage Box & thus on the Same Machine

Thanks

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Author: Yechiel Adar
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Received on Wed Nov 13 2002 - 11:23:49 CST