Consider the following four arrow diagrams. Which represent maps?: 1) 2) 3) 4) Which single choice lists all the maps and only maps? O 1,2, 3, 4 O 1, 2, 3 O 1,2 O 3,4 O 2,4 O 3 O 4

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Consider the following four arrow diagrams. Which represent maps?:
1)
2)
3)
4)
Which single choice lists all the maps and only maps?
O 1, 2, 3, 4
O 1,2, 3
O 1, 2
O 3,4
O 2, 4
O 3
O 4
Transcribed Image Text:Consider the following four arrow diagrams. Which represent maps?: 1) 2) 3) 4) Which single choice lists all the maps and only maps? O 1, 2, 3, 4 O 1,2, 3 O 1, 2 O 3,4 O 2, 4 O 3 O 4
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