3 ways to accomplish this:
-- Using + Sign Select First_Name + ' ' + Middle_Name + ' ' + Last_Name as 'Employee Full Name' from Employees;
-- Using Concat in-build Function Select Concat(First_Name,' ',Middle_Name, ' ',Last_Name) as 'Employee Full Name' From Employees;
-- Using Space in-build function Select First_Name + Space(1) + Middle_Name + Space(1) + Last_Name as 'Employee Full Name' from Employees;