Deregister a Column From a Register Field
To deregister a column from the Column Registered field
1. Open the Table Registration Details window, move the cursor to the column to be deregistered, and type n.
Note: Key columns and mandatory (NOT NULL NOT DEFAULT) columns cannot be deregistered.
Use the arrow keys to move to other columns to be deregistered.
Use the Tab key to move to other fields in the window,
2. Choose Save.
Your changes are saved and you are returned to the Table Registration Summary window.