Solution : https://service.sap.com/sap/support/notes/162034 (SAP Service marketplace login required)
Key words :
update ztest set f1 = 'b', parameter dbs/db2/use_hints = abap->1, performancedb2 mvs os390 reason, component bc-db-db2, f1 = 'a' %_hints db2 ', syntactically incorrect hint specifications, dbs/db2/use_hints, optimization' db2 '&substitute values&', optimization' hint '&substitute values&', f2 = '000' %_hints db2 '
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