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Oracle 11g Datapump

Posted on 2011-02-24
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Last Modified: 2012-08-14
Hi,

Can we use datapump command if the source tables are in 9i and Destination are in 11g.
If so can you give me the syntax and the steps to do it?

Thanks@
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Question by:D-pk
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Expert Comment

by:sventhan
ID: 34972528
You cannot use datapump.
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Expert Comment

by:sventhan
ID: 34972533
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Expert Comment

by:MarioAlcaide
ID: 34972534
No, you have to make an export using the 9i client exp.

Then, import using the 11g command imp into the new database.

Datapump was implemented in Oracle 10g.
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Author Comment

by:D-pk
ID: 34972632
so the dump we make in 9i can be readable in 11g? that is the .dmp file.
what are the parameters i need to give for this cross database transfer..
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Expert Comment

by:schwertner
ID: 34972951
I will recommend to try the Data Pump import via DB link to the source DB.
If this fails you have no chance to use the Pump
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Author Comment

by:D-pk
ID: 34972994
can you give me an example? for example lets say the source table is src_test and the dest table is table_dest.
do we need to have the table to be created in the destination to facilitate the import? or it will automatically create a table based on the name we give?

Thanks!
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MarioAlcaide earned 500 total points
ID: 34973250
Let's see. You have two databases, DB9i and DB11g. And you want to migrate a schema named MY_SCHEMA. You will:

1. Connect to the machine where DB9i is allocated.
2. Execute exp owner=MY_SCHEMA file=c:\blablabla\your_export_file.dmp log=c:\blablabla\your_export_file.log statistics=none buffer=500000
3. Copy that file to the machine where DB11g is
4. Create the schema: (example) CREATE USER MY_SCHEMA IDENTIFIED BY MY_PASSWORD DEFAULT TABLESPACE USERS;
5. Execute in the DB11g machine: imp fromuser=MY_SCHEMA touser=MY_SCHEMA file=c:\blablabla\your_export_file.dmp log=c:\blablabla\your_import_file.log statistics=none buffer=5000
6. It's done!

That will import an entire schema, if you only need a table then add to the exp command the clause TABLES  your_table_name , and it will export only a table.

And it's done :)

Remember: it will automatically create the new table, but you have to create the schema (user) first.
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Author Comment

by:D-pk
ID: 34973467
I just want to do few tables. can we do it without creating schema?
How to dump it in the 11g server and import later with a different table name in the 11g?
is that possible?

Thanks!
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Expert Comment

by:MarioAlcaide
ID: 34973502
Nope, you need to have a schema created. Or maybe use an existent schema.

You cannot import a table with another name, with the imp utility (you could with Data Pump, but not in your case because you are getting data from a 9i database).

However, you can create another table with the new name, like this:

CREATE TABLE NEW_TABLE AS SELECT * FROM OLD_TABLE;
DROP TABLE OLD_TABLE;

And it will be renamed. Easy ;-)
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Author Comment

by:D-pk
ID: 34976022
Thanks...
But some of tables are more than 125 gb and its not letting me to export the table dump file.
Any way around for this?
Thanks!
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Author Comment

by:D-pk
ID: 34976026
I am gonna exp the tables one by one...
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Expert Comment

by:MarioAlcaide
ID: 34977361
The only way you could rename those tables during export is that you upgrade your 9i database to at least 10g, and then use Data Pump. Conventional export/import doesn't have that option.

Hope to help, if you have further questions don't bother to ask
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Author Closing Comment

by:D-pk
ID: 34977401
Ok Thanks!
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