Dblink data copy

Hi,
I have 3 instances (instance1, instance2, instance3). DB links exists between instance1 and instance2, instance1 and instance3.
instance1 <-> instance2
instance1 <-> instance3
I want to copy data (some records from a table) from instance2 to instance 3.
What is the best and optimal way to do this data copy. Can I use some stored procedure in instance1?
Please suggest.

I am assuming when you say instance1, instance2 & instance3 they are different database instances. I would like to call it db1 db2 & db3
If you are referring to multiple instances of same DB (RAC) then all the data is accessible across all instances.
A simplest way
- if the number of records are not very high
- provided table structures are the same across db2 & db3 and
- you have privileges to write into db3 from db1.
insert into table@instance3 as select from table@instance2
Edited by: Sudheendra on Jan 17, 2012 5:16 PM

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