N:M relationships a.) require that the primary key from each table is deleted. b.) require that a foreign key is added to the many side. c.) should be ignored when translating to a database. d.) require an additional table to be added when translating into a database.
N:M relationships a.) require that the primary key from each table is deleted. b.) require that a foreign key is added to the many side. c.) should be ignored when translating to a database. d.) require an additional table to be added when translating into a database.
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
Problem 1PE
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N:M relationships
a.) require that the primary key from each table is deleted.
b.) require that a foreign key is added to the many side.
c.) should be ignored when translating to a database .
d.) require an additional table to be added when translating into a database.
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