Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

Suppose you start with an empty queue and perform the following operations: enqueue 1, enqueue 2, dequeue, enqueue 3, enqueue 4, dequeue, enqueue 5. What are the resultant contents of the queue, from front to back?

A. 1, 2, 3, 4, 5

B. 1, 3, 5C. 1, 2, 3

D. 3, 4, 5

E. None of these is correct.

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