A join between two tables that returns the results of the INNER join, as well as the unmatched rows from the left (or right) table, is called a left (or right) OUTER join.

The purpose of a token in a token ring network is to ________

A) prevent data collisions from occurring B) make the network topology easy to implement C) make the network topology inexpensive to implement D) prevent the failure of one computer from bringing down the entire network

In an inheritance relationship __________.

a. the subclass constructor always executes before the superclass constructor b. the superclass constructor always executes before the subclass constructor c. the constructor with the lowest overhead always executes first regardless of inheritance in subclasses d. the unified constructor always executes first regardless of inheritance