Solution : https://service.sap.com/sap/support/notes/165322 (SAP Service marketplace login required)
Key words :
st04-->detail analysis menu --> sql requests -->enter, svrmgr> connect sapr3/<passwort>svrmgr> @reset_parallel, 4 additional key words rbo, poorly performing tables brings, sqlsvrmgr> select 'alter index ', svrmgr> spool reset_parallel, svrmgr> select count, sapr3 user indexes, software upgrade/migration, cost-based-approach
Related Notes :
| 205892 | Long runtimes in phase CONVERSION (Oracle) |