Replication of flow with columns excluded from Tables

Hi DBAs,

I have install replication at the Table level (go to 10.2.0.4) of CBC to TGT of database for the table titled INFO database. This table contains about 15 columns and more than 18 million lines and updated quite frequently. On database TGT that is only used for purposes considered, the INFORMATION table requires only 8 columns. Water works OK from now and I want to remove the unwanted 7 columns. Is it possible I just drop these columns of TGT, then streams will continue to work OR I need to add some negative rules. Or I have to recreate the streams environment.

Please suggest how I should go about it.

Thank you
-Samar-

No need to remove the configuration.

METHOD 1:

1 stop the capture, make sure that the queues are empty (error queue and queue overflow, although it may contain old lines, no longer used)
2 remove the column on the target,
3. Add the transformation rules,
3. restart the capture. New LCR will be sent without columns.

METHOD 2:

1 let replication and running upward and even part of the traffic load.
2 on the target, add the default values on each column, you intend to drop.
From now insert any missing column in the CSF will be complete by the default values of tables.
3. start to add the removal of source columns. (Missing values in the CSF will be offset by all the default values on the target).
4 once the last rule is added in source, begins to drop the columns on the target.

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