Which of the following describes a manually entered route?

f the Truck class extends the Vehicle class, the Truck class is called the _________ , and the Vehicle class is called the _________.

a) superclass, subclass b) subclass, superclass c) superclass, direct superclass d) direct superclass, superclass

The formal term for a table is ____.

A. tuple B. relation C. two-dimensional record D. object