Need this in 30 minutes please Just draw me the Entity-Relationship Digram and here is all the infomation you need for complete it Entity-Relationship Diagram (ERD)An ERD visually represents the relationships between entities in a database. Here's what you need:Entities:Product: Represents items sold by the coffee shop.Transaction: Represents a sale event.Payment: Represents the payment method used for transactions.BeanCard: Represents the loyalty or prepaid cards customers can use.Attributes:Product: Product ID, Name, Category (Beverages, Bakery goods), Price.Transaction: Transaction ID, Date, Total Amount.Payment: Payment ID, Type (Cash, Credit, BeanCard), Amount.BeanCard: Card ID, Customer ID, Balance.Relationships:Products to Transactions: A transaction can include multiple products (many-to-many).Transactions to Payment: A transaction is completed with a single payment method (one-to-one).BeanCard to Payment: A BeanCard can be used for many payments (one-to-many). 1. You are being recruited as a Systems Analyst in the newly opened coffee shopcalled Urban Bean. They want to build a new Point of Sale system where thecustomers can purchase items from their shop and checkout.The shop sells the following items:1. Beverages2. Bakery goods3. Bean cards - customers can load their coffee cards with any amount and useit for the purchase.For the above system:a. Draw an ERD by identifying the entities, attributes and their relationships.b. Draw a Level-0 DFD (

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Answered: 1. You are being recruited as a Systems…

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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Entity-Relationship Diagram (ERD)

An ERD visually represents the relationships between entities in a database. Here's what you need:

Entities:

Product: Represents items sold by the coffee shop.
Transaction: Represents a sale event.
Payment: Represents the payment method used for transactions.
BeanCard: Represents the loyalty or prepaid cards customers can use.

Attributes:

Product: Product ID, Name, Category (Beverages, Bakery goods), Price.
Transaction: Transaction ID, Date, Total Amount.
Payment: Payment ID, Type (Cash, Credit, BeanCard), Amount.
BeanCard: Card ID, Customer ID, Balance.

Relationships:

Products to Transactions: A transaction can include multiple products (many-to-many).
Transactions to Payment: A transaction is completed with a single payment method (one-to-one).
BeanCard to Payment: A BeanCard can be used for many payments (one-to-many).

1. You are being recruited as a Systems Analyst in the newly opened coffee shop
called Urban Bean. They want to build a new Point of Sale system where the
customers can purchase items from their shop and checkout.
The shop sells the following items:
1. Beverages
2. Bakery goods
3. Bean cards - customers can load their coffee cards with any amount and use
it for the purchase.
For the above system:
a. Draw an ERD by identifying the entities, attributes and their relationships.
b. Draw a Level-0 DFD (

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