If you choose Update, Oracle HRMS changes the record as from your effective date, but preserves the previous information. If you choose Correction, Oracle HRMS overrides the previous information with your new changes. The start and end dates of the snapshot you have corrected remain the same.
You update Julie's information by setting your effective date to the date of her wedding and entering her new married status, her change of name, and new next of kin information. Her previous personal information, which was valid until her wedding, remains in her record.
You correct Jack's wrong nationality by setting your effective date to his hire date and entering the correct nationality. By choosing Correction, you put the record right, from the beginning. You should check whether there is an end date in the Effective Dates region of Jack's record. If there is, you have only corrected the first snapshot of the record. Set your effective date to the day after the end date, and make the correction again. Continue in this way until the To field is blank, indicating that you have reached the last snapshot of this record.
Later that month you promote the employee to a new grade. So you set your effective date to today's date and change the grade on the assignment. Oracle HRMS checks to see whether the record has a future update scheduled. It finds that the location changes in the future and prompts you for the type of update you now want to make. You have two choices: