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Functionality Currently NOT Supported

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The following functionality is currently not supported:

  • Table cluster related DDL.
  • Switchover/failover/flashback.
  • No support for encrypted data (Transparent Data Encryption TDE).
  • No support for compressed data. 
  • External tables
  • Nested tables 
  • NOLOGGING hint - This operation does not put the data in the redo log so it is therefore not logged.

  • APPEND hint- This operation does not put the data in the redo log so it is therefore not logged.

  • Sqlloader with direct option- This operation does not put the data in the redo log so it is therefore not logged.

  • LOBs with CTAS (create table as select) 

  • Deferrable Constraints *** when target database is not Oracle

The following script will check to see if the tables are clustered:

Prompt Specify owner for the tables that you want to replicate
Prompt Specify table_name(s) for the tables that you want to replicate. % for all.
select owner, table_name, cluster_name, iot_name, iot_type 
from sys.dba_tables 
where (cluster_name is not null
and owner = upper('&owner')
and table_name like upper('&table_name');


*** Oracle to Non Oracle Db target - "Deferrable Constraint Deferred" is not supported with Default Optimistic Commit Replication. A Pessimistic Commit must be used when Deferrable Constraints exists on source table and oracle is not a target database. 

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