Solution : https://service.sap.com/sap/support/notes/174571 (SAP Service marketplace login required)
Key words :
sgrw_perf_set sgrw_performancesgrw_om sgrw_ps sgrw_pc sgrw_sl sgrw_pca sgrw_ec sgrw_lis, oracle cost based optimizer prefers full table scans, system makes full table scans, case full table scans, additional key words cbo, report painter ----- supportguide 20010411083319 -----reportwriter, index range scans, single records buffered, generic area buffered, table rwsheader
Related Notes :
| 174498 | GRR3: Unnecessary accesses to set tables |
| 107100 | Sets: performance problems as of Release 4.0 |