I have a database table for Contacts structured.
ID = 1    
Full_Name = Joe Bloggs    
Primary Email = SomeEmail@Test.com    
Secondary Email = Null    
is it possible to use an SQL query to duplicate the primary email into the secondary email for each contact like so:
ID = 1    
Full_Name = Joe Bloggs    
Primary_Email = SomeEmail@Test.com    
Secondary_Email = SomeEmail@Test.com    
ID = 2    
Full_Name = Ruth Jones    
Primary_Email = TestEMail@Test.com    
Secondary_Email = TestEMail@Test.com    
Thank you in advance!
 
    