The Option Explicit statement is the best practice used by most programmers

What is the preface for all web report tags generated by the Oracle Reports Server?

a) report: b) wr: c) web: d) rw:

Concrete classes that inherit virtual functions but do not override their implementations:

a. Have vtables which are the same as those of their base classes. b. Receive their own copies of the virtual functions. c. Receive pointers to their base classes’ virtual functions. d. Receive pointers to pure virtual functions.