| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPEngineering Change Management |
| 1 | ECM_ADM | Administrative Data | 2 | GUID_ECM | GUID for Engineering Change Order | varbinary | 16 | 0 | | |
| 2 | ECM_HIE | Change Hierarchy | 2 | GUID_ECM | GUID for General Object in Engineering Change Management | varbinary | 16 | 0 | | |
| 3 | ECM_OBJADM | Object Mgmt Records | 3 | GUID_ECM | GUID for Engineering Change Order | varbinary | 16 | 0 | | |
| 4 | ECM_ORD | Change Order | 2 | GUID_ECM | GUID for Engineering Change Order | varbinary | 16 | 0 | | |
| 5 | ECM_REQ | Data for Engineering Change Request | 2 | GUID_ECM | GUID for Engineering Change Request | varbinary | 16 | 0 | | |
| 6 | ECM_STXT | Descriptions | 2 | GUID_ECM | GUID for Engineering Change Order | varbinary | 16 | 0 | | |
| 7 | ECM_TSK | Change Task | 2 | GUID_ECM | GUID for Change Task | varbinary | 16 | 0 | | |
| 8 | GENOBJ | Generic Object Services | 3 | GUID_ECM | GUID of an Object | varbinary | 16 | 0 | | |
