RE: Replication?

Large PL/SQL operations over a database link have always seemed problemmatic. What if you were to do a CTAS unrecoverable, parallel to read the local table back into the MAIN database then processed with PL/SQL into the "MAIN" table?

Oracle OCP DBA

-----Original Message-----
Sent: Wednesday, May 14, 2003 4:02 PM
To: Multiple recipients of list ORACLE-L

You could use relication but it's not absolutely necessary. You could do something like this

On Server:
Run a query: SELECT * FROM MAINTAB
If they like it, issue INSERT INTO LOCALTAB_at_LOCALMACHINE SELECT * FROM MAINTAB;
OR From the local machine : INSERT /*+ APPEND */ INTO LOCALTAB SELECT * FROM MAINTAB;
When done with the edits, you can merge with the main table. If the changes are exclusively done by a single user, you could - delete the records from MAINTAB
- and, insert /*+ APPEND */ into MAINTAB select * from LOCALTAB_at_LOCALMACHINE.
If that's not possible, use a simple PL/SQL block to read the localtab and insert/update/delete the MAINTAB.

This operation will be much simpler than replication.

HTH. Arup Nanda
www.proligence.com

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, May 14, 2003 3:11 PM

> Hello DBAs
>
> I am going to experiment with copying subset of data to another database
and
> merging changes. In short I need the user to run a query against the
master
> database, copy the resultset to their local database, do whatever they
need
> and later merge the changes in their local DB to the master DB.
> It looks like replication is the technology to look into. Is there
anything
> else in the big Oracle world?
>
> Thanks
>
> Witold
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
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> Author: Witold Iwaniec
> INET: wiwaniec_at_novalistech.com
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-- 
Author: Arup Nanda
  INET: orarup_at_hotmail.com

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