BW 7.30: Different ways to delete Master data
In the older version i.e. BI 7.0, we experience Memory overflows while deleting the master data. Because system checks for all the dependencies of the data associated with other InfoProviders in the system. This new tool is available in BI 7.0 (SP 23) as an optional feature. In BW 7.3 it becomes a default option.
Read more at : http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/27999