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VENDOR Vendor ID Address ++ earson Education, Inc. © 2020 PRICE QUOTE Quote Quantity Price Priced_at PART RECEIPT Order Number Date Order Quantity H PART Item Number Description

VENDOR Vendor ID Address ++ earson Education, Inc. © 2020 PRICE QUOTE Quote Quantity Price Priced_at PART RECEIPT Order Number Date Order Quantity H PART Item Number Description

Database System Concepts
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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  1. Transform this E-R diagram into a set of 3NF relations.
The image is a diagram illustrating the relationships between different entities in a database system. It consists of four main entities: VENDOR, PART, PRICE QUOTE, and PART RECEIPT. Here's a detailed explanation of each entity and their relationships: 1. **VENDOR**: - Attributes: Vendor_ID, Address - Represents suppliers who provide goods or services. 2. **PART**: - Attributes: Item_Number, Description - Represents items or components available for purchase. 3. **PRICE QUOTE**: - Attributes: Quote_Quantity, Price - Indicates a proposed price for a specified quantity of a part. - Relationships: - Linked to VENDOR and PART using crow’s foot notation, showing many-to-many relationships. - Each vendor can provide quotes for multiple parts, and each part can have quotes from multiple vendors. 4. **PART RECEIPT**: - Attributes: Order_Number, Date, Order_Quantity - Represents the receipt of a part order. - Connection: - Linked to PRICE QUOTE with the relationship labeled as "Priced_at," indicating that the price for a received part corresponds to a specific price quote. This diagram is useful for understanding how various entities interact within a database related to procurement and inventory management systems.
Transcribed Image Text:The image is a diagram illustrating the relationships between different entities in a database system. It consists of four main entities: VENDOR, PART, PRICE QUOTE, and PART RECEIPT. Here's a detailed explanation of each entity and their relationships: 1. **VENDOR**: - Attributes: Vendor_ID, Address - Represents suppliers who provide goods or services. 2. **PART**: - Attributes: Item_Number, Description - Represents items or components available for purchase. 3. **PRICE QUOTE**: - Attributes: Quote_Quantity, Price - Indicates a proposed price for a specified quantity of a part. - Relationships: - Linked to VENDOR and PART using crow’s foot notation, showing many-to-many relationships. - Each vendor can provide quotes for multiple parts, and each part can have quotes from multiple vendors. 4. **PART RECEIPT**: - Attributes: Order_Number, Date, Order_Quantity - Represents the receipt of a part order. - Connection: - Linked to PRICE QUOTE with the relationship labeled as "Priced_at," indicating that the price for a received part corresponds to a specific price quote. This diagram is useful for understanding how various entities interact within a database related to procurement and inventory management systems.
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