Backup/Restore Upgrade 
Update strategy Backup/Restore Upgrade (EXTERNAL_CONSISTENT_BACKUP) for the database instance type
liveCache. A data backup is required for this update strategy. Only after you have backed up the data can the liveCache software be upgraded.
The Backup/Restore Upgrade update strategy is currently only used for the SAP APO liveCache (Update Strategy for liveCache Database Instances).

You can find the Upgrade for SAP APO documentation as follows:
http://service.sap.com/instguides, Integration & Upgrade Guides ® mySAP SCM.
Prerequisites
The general prerequisites for Update of an Existing Database Instance must be fulfilled.
The database instance must be in operational state ADMIN.
A complete
data backup of the database instance is created in operation mode ADMIN and the database is not restarted after this.
Process Flow
SDBUPD proceeds as follows:
- The
X Server is started, if necessary.
General checks are performed:
The status of the data and log areas, database parameter settings, operational state of other database instances, and so on.
The existing data backup is checked.
The database instance is placed in operational state OFFLINE.
The X Server is stopped.
The required SAP DB software is upgraded.
The X Server is started.
The database instance is placed in operational state ADMIN.
The data and log areas are formatted and the necessary database parameters are adjusted.
Import the existing complete data backup. Use the
Database Manager to do this.
Start SDBUPD. SDBUPD proceeds as follows:
- The X Server is started.
- The database instance is placed in operational state ADMIN.
- The system tables are loaded.
- The database instance is placed in operational state OFFLINE.
Procedure
Procedure for UNIX Operating Systems
Procedure for Microsoft Windows Operating Systems