Solution : https://service.sap.com/sap/support/notes/1156578 (SAP Service marketplace login required)
Key words : 
terms db2_reduced_optimization tq table queue no_tq_fact dpf multi-partition hash partitioning db2_workload reason, windows database partitioning feature, default db2 registry settings, datastore object active table, join large master data, datastore object active tables, infocube dimension table <datastore_or_fact_table>, table queue operator, table queue, database partition 0
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