Solution : https://service.sap.com/sap/support/notes/111774 (SAP Service marketplace login required)
Key words :
transaction st04 -> detail analysis menu -> exclusive lockwaits -> complete lock list, additional key words row, buffered number ranges occur, row share locks occur, lock isolation level, function module db_set_isolation_level, function module db_reset_isolation_to_default, work process work, default isolation level 0, share locks
Related Notes :
39439 | XUSER entries for SAP DB and MaxDB |