| base |
| Base Table | epochtimebase |
| Attribute Name | base |
| ColumnName | base |
| Logical Rolename | |
| RoleName | |
| Definition | |
| Note |
| ondate |
| Base Table | epochtimebase |
| Attribute Name | ondate |
| ColumnName | ondate |
| Logical Rolename | |
| RoleName | |
| Definition | |
| Note |
| offdate |
| Base Table | epochtimebase |
| Attribute Name | offdate |
| ColumnName | offdate |
| Logical Rolename | |
| RoleName | |
| Definition | |
| Note |