Which of the following correctly identifies a characteristic of worker employment?

Identifying a characteristic of worker employment, option A accurately highlights that it includes job assignment details. In any HR system, particularly in Oracle HCM Cloud, understanding a worker's employment entails not only their personal details but also specifics about their job assignments. This information encompasses the roles they occupy, the departments they belong to, reporting structures, and any associated responsibilities. All these aspects are foundational for effective workforce management and for other HR-related processes such as performance evaluations, promotions, and compensation planning.

The other options present characteristics that do not align with the core nature of worker employment. For instance, worker employment details are vital for all HR personnel, not just internal HR staff, hence the second option is not correct. Additionally, there is a critical need to maintain historical records of employment which helps track an employee's progress, promotions, and changes within the organization; therefore, the claim that it lacks historical records is misleading. Finally, record-keeping regarding worker employment is not optional; it is essential for compliance, audits, and strategic planning. Thus, option A stands out as the only statement that precisely describes an integral aspect of worker employment.