Answered: Sorry but I don't understand anything…

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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Your diagram is already false, it's not possible to have a many to many relation , you have to break it into 1-N relation!In addtion we don't see the FK here.

Sorry but I don't understand anything with your explication , can you please read the text and give me a WRITE solution

Pr_name
Pr_price
P_ID
P_desc
Pa ID
Pr_ID
Product
Consists of
Part
Pr_desc
Supplied by
S_ID
Supplier
Pa_ID
S_name
S_contact

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And I don't find any difference between your WRITTEN solution and the other!

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It's not possible to have a many to many solution as I said in my last message!!

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