Therefore, it can keep the history to see the occurred changes, for example, can check whether an employee what happens at work, such as employment, when receiving transfers or promotions when, etc.
Therefore, you can store historical data The change is happening For example, can determine whether the employee what happens in the workplace. For example, when hiring Has been transferred Or promoted when, etc.
So it can keep the history data. See the changes. Like to check whether an employee what happens at work, such as employment when the transfer or promotion? Etc. .