Update/Insert records from Oracle to MySQL

Hi team,
My application will insert/update records into Oracle database, I need to sync all of records into MySQL database. I designed a package to load data from Oracle to MySQL, the Oracle database use OLE DB component and MySQL database use ADO.NET.
How to insert new records into MySQL? If the old record exists, we also need to replace with new record. I did some research, someone suggest to create a stage table to handle this scenario, but I have 14 tables in this case. How to handle this scenario
with high performance?
If there is anything unclear, please let me know.
Thank you in advance.

Finally, I created 14 tables as same as in our MySQL database system with prefix "updated" , they are use to store the updated records from Oracle system. All of new records we add a flag, the "1" means insert a new record into the system,
and the "0" means we should updated. So, I can use the conditional split component to split all of new records. The new records insert into the target table and the updated records insert into the "updated_table". Finally, we can add a
SQL Script task to run a update script to sync all of records.
I don't use Lookup Transformation because we must use Cache
Transform transformation in this case, the Cache connection manager to save the data to a cache file (.caw), it will hard to
trace the history data in the future.
In addition, I recommend to use ODBC connection if somebody face the similar scenario with me, there is a bug if we use ADO.NET to
load data from Oracle to MySQL by using SSIS. For more information, please refer the MSDN document: http://blogs.msdn.com/b/mattm/archive/2009/01/07/writing-to-a-mysql-database-from-ssis.aspx
@Arthur, thanks again for your input. Have a nice day! :)

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