Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according to the below business rules. Your design should be at the logical level – include primary and foreign key fields and remember to remove any many-to-many relationships. Sheep farm feed supplier business rules: • All entities must have surrogate primary keys. • A contact person represents one or more suppliers, and each supplier has exactly one contact person. • A supplier supplies many feed products, and every feed product can be supplied by many suppliers. • Each feed product belongs to a specific feed type, and many feed products can have the same feed type.
Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according to the below business rules. Your design should be at the logical level – include primary and foreign key fields and remember to remove any many-to-many relationships. Sheep farm feed supplier business rules: • All entities must have surrogate primary keys. • A contact person represents one or more suppliers, and each supplier has exactly one contact person. • A supplier supplies many feed products, and every feed product can be supplied by many suppliers. • Each feed product belongs to a specific feed type, and many feed products can have the same feed type.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation
according to the below business rules. Your design should be at the logical level – include primary
and foreign key fields and remember to remove any many-to-many relationships.
Sheep farm feed supplier business rules:
• All entities must have surrogate primary keys.
• A contact person represents one or more suppliers, and each supplier has exactly one
contact person.
• A supplier supplies many feed products, and every feed product can be supplied by many
suppliers.
• Each feed product belongs to a specific feed type, and many feed products can have the
same feed type.
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