Solution : https://service.sap.com/sap/support/notes/355191 (SAP Service marketplace login required)
Key words :
sap profile parameter 'dbs/db6/bw_keep_hierarchy_views = y', terms explain profile parameter reason, report'sap_drop_tmptables'hierarchy views, explain bw statements, sql statements referencing, 0b support package 9, db2 udb eee, temporary views, hierachy views, debugging purposes
Related Notes :
374502 | DB6: DB2 UDB - BW Performance - Overview of notes |
370093 | DB6: BW 2.0B: temp. views remain in db catalog |