For the HRIS to send salary information to the PR system, an employee number would need to be assigned and remain static between the two systems to accurately identify an employee.

• （HRIS）人力资源系统将有关员工的工资信息传送给薪酬管理系统，一对一，固定的雇员工号可以准确识别雇员，因而作为联接这两个系统的关键字。