How to: Show Column Names in the Diagram Pane (Visual Database Tools)
You can choose to hide or show the column names of tables in the Diagram Pane of the Query and View Designer.
Show Column Names
Right-click the table in the Diagram Pane of the Query and View Designer.
Choose Column Names from the shortcut menu.
Hide Column Names
Right-click the table in the Diagram Pane of the Query and View Designer.
Choose Name Only from the shortcut menu.