Assume that you have the situation in which: • Suppliers can supply products for projects. • A supplier can supply a particular product for multiple projects. • A product for a particular project can be supplied by multiple suppliers. • A project can have a particular supplier supply multiple products. • A supplier has a key attribute supplier_ID, a project has a key attribute project_ID, and a product has a key attribute product_ID Draw an ER-diagram that captures the above description. You must also include the quantity and due date for supplying a particular product to a particular project by a particular supplier.
Assume that you have the situation in which: • Suppliers can supply products for projects. • A supplier can supply a particular product for multiple projects. • A product for a particular project can be supplied by multiple suppliers. • A project can have a particular supplier supply multiple products. • A supplier has a key attribute supplier_ID, a project has a key attribute project_ID, and a product has a key attribute product_ID Draw an ER-diagram that captures the above description. You must also include the quantity and due date for supplying a particular product to a particular project by a particular supplier.
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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Transcribed Image Text:Assume that you have the situation in which:
• Suppliers can supply products for projects.
• A supplier can supply a particular product for multiple projects.
• A product for a particular project can be supplied by multiple suppliers.
• A project can have a particular supplier supply multiple products.
• A supplier has a key attribute supplier_ID, a project has a key attribute project_ID, and a product has
a key attribute product_ID
Draw an ER-diagram that captures the above description. You must also include the quantity and due date
for supplying a particular product to a particular project by a particular supplier.
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