To open the Select Columns window:
- From the Control Center, expand the object tree until you find the
Tables folder.
- Click on the Tables folder. Any existing tables are
displayed in the pane on the right side of the window (the contents
pane).
- Click mouse button 2 on the table you want in the contents pane and select
Alter from the pop-up menu. The Alter Table notebook
opens.
- Click on the Columns tab. The Columns page opens.
- Click on the Select push button. The Select Columns
window opens.