| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPBelgium |
| 1 | T5BX5TXT | Description of BELCOTAX form section (Obsolete) | 5 | DESCP | Description text | nvarchar | 60 | 0 | | |
| 2 | T5BX8T | Description of BELCOTAX form section | 5 | DESCP | Description | nvarchar | 60 | 0 | | |
| TOPLogbook |
| 3 | ADFSH_AIRLNCD_T | Flight Scheduling: IATA Airline Code Description | 4 | DESCP | Flight Scheduling: Airline Description | nvarchar | 30 | 0 | | |
| 4 | ADFSH_APTMAS_T | Flight Scheduling: Airport Description | 4 | DESCP | Flight Scheduling: Airport Description | nvarchar | 60 | 0 | | |
| 5 | ADFSH_FLGTSTAT_T | Flight Scheduling: Status of Flight Description | 4 | DESCP | Flight Scheduling: Description of Flight Status | nvarchar | 30 | 0 | | |
| 6 | ADFSH_SECTMAS_T | Flight Scheduling: Sector Master Description | 4 | DESCP | Flight Scheduling: Description of Sector | nvarchar | 30 | 0 | | |
| TOPSpecification 2 |
| 7 | SPCDTEL | SPEC 2000 Data Elements | 8 | DESCP | Description of the SPEC 2000 Data Element | nvarchar | 40 | 0 | | |
| 8 | SPCFILE | SPEC 2000 messages & fields | 17 | DESCP | Description of the SPEC 2000 Data Element | nvarchar | 40 | 0 | | |
| 9 | SPCMDTEL | SPEC 2000M Data Elements | 9 | DESCP | Description of the SPEC 2000 Data Element | nvarchar | 40 | 0 | | |
| 10 | SPCMFILE | SPEC 2000 AEC messages & fields | 18 | DESCP | Description of the SPEC 2000 Data Element | nvarchar | 40 | 0 | | |
