| Attribute | Description | Physical Name | Domain | Data Type | Foreign Key Table |
| AssignmentStartTransactionID (FK)(PK) | A universally unique identifier (UUID) for the Transaction. This may be assembled from alternate key members. | ID_TRN_SRT | IdentityUUID | char(32) | SignOnTransaction(TR_SGN_ON) |
| TransactionID (FK)(PK) | A universally unique identifier (UUID) for the Transaction. This may be assembled from alternate key members. | ID_TRN | IdentityUUID | char(32) | TillOperatorAssignmentTransaction(TR_ASGMT_OPR_TL) |
| TillID (FK)(PK) | The unique identifier for the TENDER RESPOSITORY. | ID_RPSTY_TND | Identity | integer | Till(AS_TL) |
| OperatorID (FK)(PK) | A unique, automatically assigned number used to identify a workstation OPERATOR. | ID_OPR | Identity | integer | Operator(PA_OPR) |
| AssignmentEndTransactionID (FK) | A universally unique identifier (UUID) for the Transaction. This may be assembled from alternate key members. | ID_TRN_END | IdentityUUID | char(32) | SignOffTransaction(TR_SGN_OFF) |