Solution : https://service.sap.com/sap/support/notes/77013 (SAP Service marketplace login required)
Key words :
rsdb/prefer_union_all = 1 rsdb/prefer_fix_blocking = 0 rsdb/prefer_in_itab_opt = 0 rsdb/max_blocking_factor = 50 make, long running sql queries, abap statement select, downwardly compatible kernel 3, downwardly compatible kernel 4, long-standing experience, database library dbmssslib, sql server, database independent, database platform
Related Notes :
| 155413 | Analysis of slow SQL statements |