Email                  userid     Name
-------------------------------------------------
julie@test.com                    Julie Smith
Bob@test.co.uk                    Bob Jones
-------------------------------------------------
julie@test.com        123
Bob@test.co.uk        456

Email                  userid     Name
-------------------------------------------------
julie@test.com        123         Julie Smith
Bob@test.co.uk        456         Bob Jones

Email                  userid     Name
-------------------------------------------------
julie@test.com        123
Bob@test.co.uk        456