/* Aufgabe 1 */
var query = from b in Customers where b.Last_name.StartsWith("A") || b.Last_name.StartsWith("B") || b.Last_name.StartsWith("C") select new {b.Last_name};
query.Dump();
/* Aufgabe 2 */
var query = from b in Customers where b.Active==1 select new {Full_Name=b.Last_name+" "+b.First_name};
query.Dump();
/* Aufgabe 3 */
var query = from b  in Customers let Email_Length=b.Email.Length orderby Email_Length ascending select new {b.Customer_id, Email_Length};
var q = query.Take(10);
q.Dump();