Solution : https://service.sap.com/sap/support/notes/1282667 (SAP Service marketplace login required)
Key words :
decimal data type dec, abap data type, decimal data types, utc time stamps, requires special handling, virtual subfields, reference fields, terms archiving, table analysis, taana_vf reason
Related Notes :
| 1159758 | Data Volume Management: Central Preparation Note |
| 689035 | Table analysis: Partial & virtual fields - advance delivery |