Need help, implementing streams between oracle 10g databases

Hello all.
Please help me, and give me instruction if any body implement streams between databases (Oracle 10g)
I have implemented streams between schema table on (10g) and result was success.
Firstly I want to know some thing, such as:
1) Is it possible make streams with conditions, (make only DML or DDL i know) but make DML and not DELETE operation, just INSERT and UPDATE operations on the table?
2) After changes was applied on target database, can I delete that records which copied (replicated) on source database?
I have 2 databases and one of them is for archive purpose (I want use it as target database for streams). Other one is PROD database, applications make DML operation.
I) record insert with null status
II) processing (status 1)
III) if success (status 2) unsuccess (status 3)
For now, I have cron script on (Linux host) and in this script has PLSQL anonymous block and it works couple times during the day. This script works as archive.
My task is: Make it via Oracle streams.
Thank you beforehand.

For conditions on the type of operation (Insert) check in the doc after apply handler and you can associate what ever code and conditions you want. You can also choose to work with a subset rules but there are some restriction as no lobs :
[http://download.oracle.com/docs/cd/B28359_01/server.111/b28321/strms_rules.htm#insertedID7|http://download.oracle.com/docs/cd/B28359_01/server.111/b28321/strms_rules.htm#insertedID7]
For a complete list of the restrictions :
[http://download.oracle.com/docs/cd/B28359_01/server.111/b28321/ap_restrictions.htm#i1012965|http://download.oracle.com/docs/cd/B28359_01/server.111/b28321/ap_restrictions.htm#i1012965]

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