Frequency of update in the Table - PJF_PROJECTS_COA_ALL_VL in PROJECT Segment of COA

Summary:

In the COA set up the table (PJF_PROJECTS_COA_ALL_VL) under PROJECT segment

It is defined as "When the Project is in Active status with Start Date the segment value as Project Number appears and in Closed status with End Date the segment value disappears". Is there any schedule process defined automatically that updates the segment value or can we manually update it?  

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