The standby database is supported officially by ORACLE as of Version 7.3. The ORACLE documentation contains detailed information on this database configuration. The following sections provide an overview of the main features of the disaster recovery configuration.
See:
Standby Database Configuration
The disaster recovery scenario should only be used by experienced users. Customers who decide to use this scenario are fully responsible themselves for configuring and performing disaster recovery.
Customers who want to use disaster recovery on their own responsibility can be supported by the SAP utilities BRBACKUP/BRARCHIVE.
Standby Database Scenario: Advantages and Disadvantages