Consider the scenario where the ABC company has suppliers supply parts and the two ER diagrams for the scenario: B. Supplier ABN {PK} name address phone It is true that Supplier ABN {PK} name address phone 0..* 0..* -Supply- OC. According to ER Diagram B, the FD below is valid: ABN, part-number --> quantity Supply quantity 0..* 0..* Part part-number {PK} type quantity OA. According to ER Diagram A, a supplier can only provide a fixed quantity of parts for each "supply". B. According to ER Diagram B, a supplier may not supply any parts. OD. According to ER diagram A, the FD below is valid: part-number, type -> quantity Part part-number {PK} type
Consider the scenario where the ABC company has suppliers supply parts and the two ER diagrams for the scenario: B. Supplier ABN {PK} name address phone It is true that Supplier ABN {PK} name address phone 0..* 0..* -Supply- OC. According to ER Diagram B, the FD below is valid: ABN, part-number --> quantity Supply quantity 0..* 0..* Part part-number {PK} type quantity OA. According to ER Diagram A, a supplier can only provide a fixed quantity of parts for each "supply". B. According to ER Diagram B, a supplier may not supply any parts. OD. According to ER diagram A, the FD below is valid: part-number, type -> quantity Part part-number {PK} type
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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