This is a diff between 1.6 and 1.7 revisions:
     84a84<       1 At the SQL> prompt, execute these two commands --83d84>       1 At the <code>SQL></code> prompt, execute these two commands --
     
    
    
   
     84a84<       1 At the SQL> prompt, execute these two commands --83d84>       1 At the <code>SQL></code> prompt, execute these two commands --