You have implemented multi-master Oracle/Oracle replication without a provision to exclude transactions committed by a Replicat process. What errors are likely to
Inserts will generate a primary key uniqueness violation; deletes will generate a ‘no matching row’ not found error; updates will continue forever.
None: loop detection is on by default in Oracle.
New inserts will be processed without issue; updates and deletes will generate a “row not found” error.
Updates and deletes will be replicated without issue new inserts will generate a primary key uniqueness violation.