| Attribute | Description | Physical Name | Domain | Data Type | Foreign Key Table |
| OperatorID (FK)(PK) | A unique, automatically assigned number used to identify a workstation OPERATOR. | ID_OPR | Identity | integer | Operator(PA_OPR) |
| SecurityHintQuestionID (FK)(PK) | A unique system assigned identifier for a question that is put to the Customer or Operator when they have forgotten their Password and the system is trying to verify their identity | ID_SCTY_QN | Identity | integer | SecurityHintQuestion(DO_QN_SCTY_HNT) |
| SequenceNumber (PK) | A unique system assigned sequence number for each successive OperatorSecurityHint answer chosen by the Operator. | AI_OPR_SCTY_HNT | LineNumber | smallint | |
| Answer | A record of the Operator's answer to the indicated SecurityHintQuestion. | DE_ANS | DescriptionShort | varchar(255) | |
| EffectiveDateTimestamp | The date and time at which this OperatorSecurityHint was chosen by the Operator. | DC_EF | EffectiveDateTime | datetime | |
| ExpirationDateTimestamp | The date and time at which this OperatorSecurityHint ceases to be valie because a new SecurityHint has been chosen. | DC_EP | ExpirationDateTime | datetime | |