Solution : https://service.sap.com/sap/support/notes/942396 (SAP Service marketplace login required)
Key words :
sql server optimizer wrongly decides, unfavourable circumstances severe slow, randomly distributed data pages, sql server resembles, column statistics _wa_sys_matnr_, solutions data rows, resb - transaction db02, secondary index resb~, successive material numbers, clustered index resb~0
Related Notes :
499858 | Storage parameter maintenance with MS SQL Server |