| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPContract Billing |
| 1 | DBERCHZ | Individual Line Items | 120 | BACKDOCNO | Number of a billing document | nvarchar | 12 | 0 | | |
| 2 | DBERCHZ1 | Individual line items | 70 | BACKDOCNO | Number of a billing document | nvarchar | 12 | 0 | | |
| 3 | DBERCHZ5 | Individual line items (unimportant rows) | 70 | BACKDOCNO | Number of a billing document | nvarchar | 12 | 0 | | |
| 4 | ERCHZ_SHORT | Billing Document Individual Lines Extract | 35 | BACKDOCNO | Number of a billing document | nvarchar | 12 | 0 | | |
| TOPInvoicing |
| 5 | DBERDZ | DB Table: Individ. Lines - Print Document | 146 | BACKDOCNO | Number of a billing document | nvarchar | 12 | 0 | | |
