Here we would like to draw your attention to DB2B transaction code in SAP. As we know it is being used in the SAP BC-DB (Database Interface, Database Platforms in Basis) component which is coming under BC module (BASIS).DB2B is a transaction code used for DB2 z/OS: Buffer pool tuning in SAP.
It comes under the package STU2.When we execute this transaction code, SAPLSDB2CCMS_TOOLS is the normal standard SAP program that is being executed in background.
Transaction DB2B technical data table
|Purpose||DB2 z/OS: Buffer pool tuning|