| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPContract Billing |
| 1 | ERCH | Billing Doc. Data | 90 | INSTGRTYPE | Grouping Type for Installation Group | nvarchar | 4 | 0 | | |
| 2 | TE672 | Grouping Types of Installation Groups | 2 | INSTGRTYPE | Grouping Type for Installation Group | nvarchar | 4 | 0 | | |
| 3 | TE672T | Names of Grouping Types | 3 | INSTGRTYPE | Grouping Type for Installation Group | nvarchar | 4 | 0 | | |
| 4 | TE674 | Installation Roles for Grouping Type | 2 | INSTGRTYPE | Grouping Type for Installation Group | nvarchar | 4 | 0 | | |
| 5 | TE676 | Data Exchange: Secondary Installation to Primary Inst. | 2 | INSTGRTYPE | Grouping Type for Installation Group | nvarchar | 4 | 0 | | |
| 6 | TE678 | Data Exchange from Primary Installation to Secondary Inst. | 2 | INSTGRTYPE | Grouping Type for Installation Group | nvarchar | 4 | 0 | | |
| TOPMaster Data |
| 7 | EANLH | Install.Time Slice | 19 | INSTGRTYPE | Grouping Type for Installation Group | nvarchar | 4 | 0 | | |
