| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPLink to Geographic Information System |
| 1 | GCAA | GBC: Relationships | 3 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 2 | GCAB | GBC: Worklist | 4 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 3 | GCCA | GBC: Object Relationships | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 4 | GCCB | GBC: Field Allocations | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 5 | GCCC | GBC: Steps | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 6 | GCCD | GBC: Tasks | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 7 | GCCE | GBC: Value Conversion | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 8 | GCCI | GBC: Container for Parameter | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 9 | GCCJ | GBC: Default Values | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
| 10 | GCCK | GBC: Container for Attributes | 2 | RELART | Type of Object Relationship | nvarchar | 3 | 0 | | |
