Installation Manual: SAP DB 
This
documentation describes the installation, update, and uninstallation of SAP DB
software, as well as the update of database instances on
operating system
platforms supported by SAP DB.
· SDBINST for the installation or update of installation profiles and individual SAP DB software components, while taking into account dependencies between the components
· SDBUNINST for uninstalling SAP DB software components, while taking into account dependencies between the components
· SDBUPD for updating database instances and their software
.

For a short description of the standard
installation or update, and standard uninstallation, of the entire SAP
DB software package outside of SAP systems, see the documentation
Database Software
Installation Guide: SAP DB 7.4.
For general information on the SAP DB database
system, see the documentation
The SAP DB Database
System on the SAP DB Homepage http://www.sapdb.org under
Documentation.
The description of updating database instances and their software also applies to SAP DB database instances in SAP systems.
This documentation is not relevant for installing or uninstalling SAP DB software in SAP systems. The installation or uninstallation of the SAP DB software required for SAP systems is described in SAP-specific guides. SAP customers can find these guidelines in the SAP Service Marketplace, under http://service.sap.com.
The programs SDBINST, SDBUNINST and SDBUPD are part of the SAP DB software.
Open source users can download the entire SAP DB software free of charge from the SAP DB Homepage http://www.sapdb.org under Software, or order a free SAP DB CD-ROM, at the same address.
SAP customers receive the SAP DB software with the SAP installation CD or in the Service Marketplace at http://service.sap.com.
The following description is based on using the software available online on the SAP DB Homepage and the SAP Service Marketplace.
Installing and Updating SAP DB Software
Uninstalling the SAP DB Software
Updating Database Instances and Their Software