User Guide

SAP AG November 2002
Define SAP DB Directories
You can use the following DBMCLI commands to define the paths for the SAP DB directories
[Page 77] IndepDataPath, IndepProgPath and InstRoot:
Conventions
Variables [Page 75]
Directory name DBMCLI command
<independent_data_path>
dbm_putpath IndepDataPath
<independent_data_path>
<independent_program_path>
dbm_putpath IndepProgPath
<independent_program_path>
<dependent_path>
inst_reg <dependent_path>
Database Parameters
To initialize the database parameters, use is generally made of the default configuration
which was stored when the database software was installed.
The configuration generated by the system will always be runnable. If necessary, you can still
adjust the database parameters originally set to suit any specific requirements you may have.
Alternatively you can use the configuration of a database instance [Page
132] already present
on the computer or the configuration from a data backup [Page 131]. Even after this you can
still adjust the database parameters to suit your own requirements.
The database parameters are divided into general database parameters [Page
79], special
database parameters [Page 80] and support database parameters [Page 80].
Display or change database parameters
You can use the Database Manager [Page 133] to display or change database parameters.
See:
Database Manager GUI: SAP DB 7.4, Section Displaying and Changing Current Database
Parameters [See SAP DB Library]
Database Manager CLI: SAP DB 7.4, Section Configuring Database Instances [See SAP DB
Library]
General Database Parameters
Database parameters [Page 135] that determine the general database features
CACHE_SIZE [Page
81] INSTANCE_TYPE [Page 82] KERNELVERSION [Page 83]
LOG_MODE [Page 84] LOG_SEGMENT_SIZE [Page
84]
MAXBACKUPDEVS [Page
85]
MAXCPU [Page 85] MAXDATAVOLUMES [Page 85] MAXLOCKS [Page 85]
MAXLOGVOLUMES [Page 86] MAXUSERTASKS [Page 86] RESTART_SHUTDOWN [Page
User Manual: SAP DB 79