| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPReal Estate Management |
| 1 | TTXBFT | Correspondence Interface: Definition of Letter Categories | 5 | BRFNM | Letter Name | nvarchar | 15 | 0 | | |
| 2 | TTXBR | SAPscript: Letter list for search strings in text modules | 6 | BRFNM | Letter Name | nvarchar | 15 | 0 | | |
| TOPTreasury |
| 3 | TTXAD | User data fields per document | 4 | BRFNM | Letter Name | nvarchar | 15 | 0 | | |
| 4 | TTXBF | Correspondence Interface: Definition of Letter Categories | 4 | BRFNM | Letter Name | nvarchar | 15 | 0 | | |
| 5 | TTXBS | Corresp.interface: Letter-module relationship | 4 | BRFNM | Letter Name | nvarchar | 15 | 0 | | |
| 6 | TZZKD | IS-IS: Business trans./Role alloc. --> Doc.category | 11 | BRFNM | Letter Name | nvarchar | 15 | 0 | | |
