1. Create a replication instance: In the AWS Management Console, create a replication instance in the same region where your target database is located. The replication instance acts as a bridge between the source and target databases.
2. Create a source endpoint: Create a source endpoint that points to your Oracle database. You will need to provide the endpoint URL, port number, and login credentials.
3. Create a target endpoint: Create a target endpoint that points to your Amazon RDS database. You will need to provide the endpoint URL, port number, and login credentials.
4. Create a replication task: Create a replication task that specifies the source and target endpoints, the replication instance, and any migration options or settings. You can specify options such as table mappings, data transformation, and filtering.
5. Configure Oracle GoldenGate: DMS uses Oracle GoldenGate to capture changes from the source Oracle database and replicate them to the target Amazon RDS database. You will need to configure GoldenGate on the source Oracle database by creating a capture process and configuring the Oracle Extract and Replicat processes.
6. Start the replication task: Once you have configured the replication task and GoldenGate, start the replication task to begin migrating data from your Oracle database to Amazon RDS.
7. Monitor and troubleshoot: Monitor the replication task to ensure that the migration is proceeding smoothly. DMS provides detailed monitoring and logging to help you troubleshoot any issues that arise.
Once the replication task is complete, your Oracle database will have been migrated to Amazon RDS, and you can begin using the new database in the cloud. This is just one example of how AWS Database Migration Service can be used to migrate an Oracle database, and there are many other use cases and migration scenarios that can be supported by this service.
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