Solution : https://service.sap.com/sap/support/notes/1011731 (SAP Service marketplace login required)
Key words :
alter session set optimizer_mode=rule, undocumented br tools parameter, create considerable temporary quantities, optimizer_mode=rule parameter, create database backups, br tool profile, extend temp segment, cost based optimizer, merge join cartesian, prior recid=parent_recid
Related Notes :
12741 | Current versions of BR*Tools and SAPDBA |