//Create new department entry
var OraLINQ3 = new DEPARTMENT() { DEPARTMENT_ID = 280, DEPARTMENT_NAME = "Research" };
ctx.DEPARTMENTS.AddObject(OraLINQ3);
ctx.SaveChanges();

Console.WriteLine("New department added");

//Verify the new department exists
var OraLINQ4 = from d in ctx.DEPARTMENTS
                      where d.DEPARTMENT_ID == 280
                      select d.DEPARTMENT_NAME;

Console.WriteLine("Department Name: " + OraLINQ4.First());
Console.ReadLine();

//Delete new department entry
ctx.DeleteObject(OraLINQ3);
ctx.SaveChanges();
Console.WriteLine("New department removed?");