Golden gate bidirectional replication is two-way unidirectional replication. Let us setup bi-directional replication for a single table from source to target. Full article link is here: https://www.support.dbagenesis.com/post/oracle-golden-gate-bidirectional-replication

1. ORACLE
GOLDEN GATE
BIDIRECTIONAL
REPLICATION

2. Make sure supplemental logging is enabled on both
source and target databases
Prerequisites

3. Create Sample Table
Let us create a new table in fox user on source

4. We will create same table on target with a different name

5. On source, add supplemental logging for the source table
On target also, add supplemental logging for the target table

6. Setup PROD to
DEV Replication
First we will be configuring uni-directional replication from PROD
to DEV.
Add extract on proddb with below details

8. Lp -> local trail file on prod
Add data pump on proddb

9. Add replicat on target devdb

10. Setup DEV to
PROD Replication
Now we will be configuring uni-directional replication from DEV to
PROD.
Add extract on devdb with below details

12. Add data pump on devdb

13. Add replicat on target proddb

14. Test Bidirectional
Replication
Start all the extract, pump and replicat processes on both systems
and test your replication.
Let us insert some rows in table on source

15. Now try to delete ‘James’ record on devdb database, commit
transaction and check on proddb if record is deleted or not.

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