To manage the materials of a factory, please give the E-R diagrams. Such entity sets are involved as below: Warehouse: with attributes as Number, area and telephone Accessory: with attributes as number, Name, Specification, price and description Supplier: with attributes as Number, name, address, telephone and асcount Project : with attributes as number and budget Employee : with attributes as number, name and age

Principles of Information Systems (MindTap Course List)
12th Edition
ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter12: Systems Development: Investigation, Analysis, And Design
Section: Chapter Questions
Problem 12SAT: Data modeling is most often accomplished through the use of a(n) __________________. a....
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To manage the materials of a factory, please give the E-R diagrams.
Such entity sets are involved as below:
Warehouse: with attributes as Number, area and telephone
Accessory : with attributes as number, Name, Specification, price
and description
Supplier: with attributes as Number, name, address, telephone and
асcount
Project : with attributes as number and budget
Employee : with attributes as number, name and age
Transcribed Image Text:To manage the materials of a factory, please give the E-R diagrams. Such entity sets are involved as below: Warehouse: with attributes as Number, area and telephone Accessory : with attributes as number, Name, Specification, price and description Supplier: with attributes as Number, name, address, telephone and асcount Project : with attributes as number and budget Employee : with attributes as number, name and age
The relationships among these entity sets are listed as below:
A kind of accessory can be deposited in more than one warehouse. A
warehouse can accommodate more than one kind of accessory.
There can be more than one employee in a warehouse, and a employee
can work in only one warehouse.
Some employee can leader others.
A supplier can supply various accessories to various projects. A
project can use accessories supplied by various suppliers. A kind of
accessory can be supplied by various supplier.
*
Transcribed Image Text:The relationships among these entity sets are listed as below: A kind of accessory can be deposited in more than one warehouse. A warehouse can accommodate more than one kind of accessory. There can be more than one employee in a warehouse, and a employee can work in only one warehouse. Some employee can leader others. A supplier can supply various accessories to various projects. A project can use accessories supplied by various suppliers. A kind of accessory can be supplied by various supplier. *
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