| Table: dbo.XactPay_Employee_SSN_History | |||
| Table containing the SSN history for XactPay employees | |||
| Columns | |||
| Name | Type | Constraints | Description |
| xactpay_employee_ssn_history_KEY | int (4) | NOT NULL | Primary key for this table. |
| employee_KEY | int (4) | NOT NULL | The associated employee. |
| modified_date | datetime (8, 3) | NOT NULL | The date the SSN was changed. |
| previous_SSN | nvarchar (22) | NOT NULL | The previous SSN value before the change. |
| transmitted | bit (1) | NOT NULL | Whether or not this change has been transmitted to XactPay |
| Primary key | |||
| Name | Columns | Description | |
| PK_XactPay_Employee_SSN_History | xactpay_employee_ssn_history_KEY | ||
| Unique constraints | |||
| Name | Columns | Description | |
| UK_XactPay_Employee_SSN_History$employee_KEY$modified_date$previous_SSN | employee_KEY, modified_date, previous_SSN | ||
| Foreign keys | |||
| Name | Columns | Referenced table | Description |
| FK_XactPay_Employee_SSN_History__Employee__employee_KEY | employee_KEY | Employee (employee_KEY) | |