Add three records.
INSERT INTO HumanResources.Employees VALUES (2,'Tim', 'Graupmann', 'IT', '20211028'), (3,'Linae', 'Graupmann', 'IT', '20211028'), (4,'Logan', 'Graupmann', 'IT', '20211028') ;
Promote an employee.
UPDATE HumanResources.Employees SET Department = 'IT Admin' WHERE EmployeeID = 1 ;
Retire an employee.
DELETE FROM HumanResources.Employees WHERE EmployeeID = 3 ;