| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPDevice installation |
| 1 | ETDZ | Technical Data for Installed Register | 16 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
| TOPDevice Management |
| 2 | EZWG | Register Group | 13 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
| TOPIntercompany Data Exchange |
| 3 | EIDEMAPUNIT | Allocation of Units of Measurement | 4 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
| 4 | EMRDETAIL | IDE: detailed information on MR results (ISU_USAGE_DATA) | 5 | MASSREAD | Base Unit of Measure | nvarchar | 3 | 0 | | |
| TOPMeter Reading |
| 5 | EABL | MR Document | 12 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
| 6 | EABLDEL | Deleted Meter Reading Document | 12 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
| 7 | EBIAS | Table for Calculation of BIAS Factor | 9 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
| 8 | TE437 | Params for Fixed Dev. Val. for Devices Without Inst. Alloc. | 2 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
| TOPSAP Utilities |
| 9 | EABLC | Temporary Meter Reading Document in AMI Environment | 12 | MASSREAD | Unit of measurement for meter reading | nvarchar | 3 | 0 | | |
