| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPDevice installation |
| 1 | ETDZ | Technical Data for Installed Register | 15 | BLIWIRK | Reactive, apparent, or active registers | nvarchar | 2 | 0 | | |
| TOPDevice Management |
| 2 | EZWG | Register Group | 8 | BLIWIRK | Reactive, apparent, or active registers | nvarchar | 2 | 0 | | |
| TOPIntercompany Data Exchange |
| 3 | EIDEMAPUNIT | Allocation of Units of Measurement | 3 | BLIWIRK | Reactive, apparent, or active registers | nvarchar | 2 | 0 | | |
| 4 | EMRDETAIL | IDE: detailed information on MR results (ISU_USAGE_DATA) | 6 | BLIWIRK | Reactive, apparent, or active registers | nvarchar | 2 | 0 | | |
