Concepts and Administration Appendixes Appendixes This part contains the following appendixes: Troubleshooting Oracle Data Guard Upgrading and Downgrading Databases in an Oracle Data Guard Configuration Data Type and DDL Support on a Logical Standby Database Oracle Data Guard and Oracle Real Application Clusters Creating a Standby Database with Recovery Manager Setting Archive Tracing Performing Role Transitions Using Old Syntax Using the ALTERNATE Attribute to Configure Remote Alternate Destinations