Hi Che,
The brspace command is commonly used in SAP systems to automate these tasks and to help maintain the performance and availability of the database that supports the SAP applications.
In an SAP system, the brspace command also is used as part of the SAP Database Administration (DBA) Tools to perform various database administration tasks on the Oracle database that is used by the SAP system.
Some of the tasks that can be performed with the brspace command in an SAP system include:
Creating database statistics
Analyzing tablespace fragmentation
Performing table reorganization
Managing database backups and restores
Monitoring database space usage and growth
Checking database consistency and integrity
LINKs:
https://help.sap.com/saphelp_snc700_ehp01/helpdata/en/46/adb96ac5b462d1e10000000a1553f7/frameset.htm
https://help.sap.com/doc/saphelp_nw74/7.4.16/en-us/46/ef8d116e4d537de10000000a1553f6/content.htm?no_...
-u / -f tbreorg -s ... is used for table reorganization.
Here is a breakdown of the individual parameters in the command:
-u /: specifies the database user and password to use for the operation. In this case, the forward slash / indicates that the command will use the default authentication mechanism, which is typically the operating system authentication.
-f tbreorg: specifies the operation to perform, which in this case is table reorganization.
-s ...: specifies additional options for the operation, which may include the name of the table to be reorganized, the tablespace where the table resides, and other parameters specific to the table reorganization operation.
The brspace command does not use the RMAN command. RMAN (Recovery Manager) is a separate command-line utility that is used for backup and recovery operations in Oracle databases.
Hope this helps,
Thanks,
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