Solution : https://service.sap.com/sap/support/notes/1400843 (SAP Service marketplace login required)
Key words :
access plan incorrectly displays, relevant support package, index scan, key fields, terms db2udb, indcoluse reason, problem occurs, special characters, advance correction, correction instructions
Related Notes :
| 1551729 | DB6: Incorrect number of key fields in EXPLAIN |
| 1309424 | DB6: DBA Cockpit Correction Collection SAP Basis 7.01 / 7.11 |