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how to do export one table in one database to another database with partition on 17/08/2011

Posted on 2011-09-22
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Last Modified: 2012-05-12
i created a user in target

i have to do export one table with a partition specified on 17/08/2011 from another database.

then i have to import that table into another schema in another database.can u help me how to do it this, can u give me the commands.

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Question by:ajaybelde
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Devinder Singh Virdi earned 500 total points
ID: 36581917
You can use
1. copy command
2. use create table as select * from orig@dblink
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Expert Comment

by:Devinder Singh Virdi
ID: 36581932
syntax
1.
copy from username/pass@sourceDB create table using select * from tablename partition(p17082011);

2. Create database link db1 connect to username identified by pass using 'SOURCEDB'
    login to target
    create table tablename as select * from origtable@db1;
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Expert Comment

by:johnsone
ID: 36581940
Check the documentation on expdp?  You can specify the partition you want to export with the TA BLES parameter:

http://download.oracle.com/docs/cd/E11882_01/server.112/e16536/dp_export.htm#i1006816
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Author Comment

by:ajaybelde
ID: 36582893
i need to include indexes in the table.when i am using the above command the rows are inserted but there are no indexes i see in that table
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Expert Comment

by:johnsone
ID: 36583002
Which command?  I see three distinct suggestions.  Can you tell us the full command that was used?
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Author Comment

by:ajaybelde
ID: 36583031
syntax
1.
copy from username/pass@sourceDB create table using select * from tablename partition(p17082011);

2. Create database link db1 connect to username identified by pass using 'SOURCEDB'
    login to target
    create table tablename as select * from origtable@db1;
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Expert Comment

by:Devinder Singh Virdi
ID: 36583086
Copy and Create table will not create indexes.
You can use
set long 99999
select DBMS_METADATA.GET_DDL('INDEX', index_name) from user_indexes where table_name ='TABLE_NAME';

take the output of above and execute in other env.
You also need to take care of constraints.

You can use INSERT instead of create if you want to create table first.
use DBMS_METADATA.GET_DDL('TABLE', ....
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Author Comment

by:ajaybelde
ID: 36583128
how can i do the export and import to export the table with that partiton,and it also needs to include the indexes, can u tell me the command for doing the export and import please.
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Expert Comment

by:Devinder Singh Virdi
ID: 36583392
you can use expdp with exclude option and provide the partition name that you dont want to provide

expdp username/pass@db directory=exp dumpfile=d.dmp exclude=TABLE_DATA:"IN('partion_you_dont_want')" reuse_dumpfiles=yes tables=your_table
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