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cust id name street_address customer ER Diagram Convert to relation schema city access_date borrower loan id loan amount

cust id name street_address customer ER Diagram Convert to relation schema city access_date borrower loan id loan amount

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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Convert to relation schema

**PART 2: ER Diagram** The diagram illustrates an Entity-Relationship (ER) model, which is commonly used in database design. It showcases relationships between different entities in a database system. The ER diagram consists of three main entities: "customer," "borrower," and "loan". Each entity contains its own set of attributes. **Entities and Attributes:** 1. **Customer:** - **cust_id**: A unique identifier for each customer. - **name**: The name of the customer. - **street_address**: The customer's address. - **city**: The city where the customer resides. 2. **Loan:** - **loan_id**: A unique identifier for each loan. - **amount**: The amount of the loan. **Relationships:** - **Borrower**: This diamond shape indicates a relationship between customers and loans. It contains the attribute "access_date," representing when the association between a customer and a loan was initiated. The diagram's goal is to be converted into a relational schema, which means transforming the ER diagram into tables suitable for use in a relational database, maintaining associations between entities while organizing the data efficiently.
Transcribed Image Text:**PART 2: ER Diagram** The diagram illustrates an Entity-Relationship (ER) model, which is commonly used in database design. It showcases relationships between different entities in a database system. The ER diagram consists of three main entities: "customer," "borrower," and "loan". Each entity contains its own set of attributes. **Entities and Attributes:** 1. **Customer:** - **cust_id**: A unique identifier for each customer. - **name**: The name of the customer. - **street_address**: The customer's address. - **city**: The city where the customer resides. 2. **Loan:** - **loan_id**: A unique identifier for each loan. - **amount**: The amount of the loan. **Relationships:** - **Borrower**: This diamond shape indicates a relationship between customers and loans. It contains the attribute "access_date," representing when the association between a customer and a loan was initiated. The diagram's goal is to be converted into a relational schema, which means transforming the ER diagram into tables suitable for use in a relational database, maintaining associations between entities while organizing the data efficiently.
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