Which of the following pointing devices is the most similar to a mouse?

Which process is used to prevent data inference violations?

A. Database Views B. Database Locks C. Polyinstantiation D. OLTP ACID Test

Given the following simplified classes,

class Pet { public: virtual void print(); string name; private: }; class Dog: public Pet { public: void print(); string breed; }; Dog vDog; Pet vPet; vDog.name="rover"; vDog.breed = "Collie"; Which of the following statements are not legal? a. vPet=vDog; cout << vDog.name; b. vPet=vDog; cout << vDog.breed; c. vPet=vDog; cout << vPet.name; d. vPet=vDog; cout << vPet.breed;