Represent the company description as an ER-diagram, including all relevantconstraints as the following steps: should use Lucidchart to draw the ERD For each entity name in the ERD the student should concatenate his University ID as the example below (in Red) BIVAN DONNA ID Name After each entity name include your university ID number Department 0190334 Page - 2 Dep ID ID Employee, 0190334 B Za when you create print screen, your user ID should be shown Name A company makes items. Each item has a name, ID and component quantity. Every item contains many components. Each component can be supplied by one or more suppliers. Suppliers have names and IDS. Each component has ID, name, description, suppliers who supply them, and items in which they are used. Not all suppliers provide components, and a component is not always associated with a supplier. Also, a component always have to be associated with one or more items. Finally, the company contact customers using their IDs, Names and Phones to sell them items. A customer can buy one or more items.

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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Question

ERD

Page - 1
Please complete reading page 1 before going to page 2.
Represent the company description as an ER-diagram, including all relevant constraints as the
following steps:
should use Lucidchart to draw the ERD
For each entity name in the ERD the student should concatenate his
University ID as the example below (in Red)
messen d
-BIVANT L
ID
Name
After each entity
name include your
university ID number
Department
0190334
Page - 2
Dep ID
ID
Employee
0190334
20
Za
when you create
print screen, your
user ID should be
shown
Name
A company makes items. Each item has a name, ID and component quantity.
Every item contains many components. Each component can be supplied by one
or more suppliers. Suppliers have names and IDS. Each component has ID, name,
description, suppliers who supply them, and items in which they are used. Not all
suppliers provide components, and a component is not always associated with a
supplier. Also, a component always have to be associated with one or more items.
Finally, the company contact customers using their IDs, Names and Phones to sell
them items. A customer can buy one or more items.
Transcribed Image Text:Page - 1 Please complete reading page 1 before going to page 2. Represent the company description as an ER-diagram, including all relevant constraints as the following steps: should use Lucidchart to draw the ERD For each entity name in the ERD the student should concatenate his University ID as the example below (in Red) messen d -BIVANT L ID Name After each entity name include your university ID number Department 0190334 Page - 2 Dep ID ID Employee 0190334 20 Za when you create print screen, your user ID should be shown Name A company makes items. Each item has a name, ID and component quantity. Every item contains many components. Each component can be supplied by one or more suppliers. Suppliers have names and IDS. Each component has ID, name, description, suppliers who supply them, and items in which they are used. Not all suppliers provide components, and a component is not always associated with a supplier. Also, a component always have to be associated with one or more items. Finally, the company contact customers using their IDs, Names and Phones to sell them items. A customer can buy one or more items.
Expert Solution
Step 1

ER-Diagram:-

Data structure diagrams (DSDs), which emphasize interactions between elements within entities rather than relationships between things themselves, are linked to ER diagrams. ER diagrams are frequently combined with data flow diagrams (DFDs), which depict the information flow for systems or processes.

 

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