Suppose x is 1. What is x after x += 2?

a. 0
b. 1
c. 2
d. 3
e. 4

d. 3

Computer Science & Information Technology

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A(n) ________ is created unintentionally when a join line is not created between related tables

A) cross join B) unequal join C) outer join D) inner join

Computer Science & Information Technology

Answer the following statements true (T) or false (F)

1. According to the text, it is natural to make each node an object. 2. In an array-based implementation of a binary tree, the data member free is the index of the index of the first node in the free list. Therefore the next available node will always be at index free + 1. 3. When a node is removed from a tree and returned to the free list, it could be anywhere in the array. 4. According to the text, an array-based implementation of a binary tree is much less attractive when the tree is complete. 5. If you use an array-based implementation of a complete binary tree, you must be sure that the tree remains complete as a result of additions or removals.

Computer Science & Information Technology