class Aws::RDS::Types::SwitchoverReadReplicaMessage

@see docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/SwitchoverReadReplicaMessage AWS API Documentation
@return [String]
^
instance.
* Must match the identifier of an existing Oracle read replica DB
Constraints:
value is stored as a lowercase string.
The DB instance identifier of the current standby database. This
@!attribute [rw] db_instance_identifier