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1. Part 1 Below is the description of a Clothes Information Store (CIS) System. • Customers are identified by a customer ID. Customer names, addresses, and ages must be recorded. Brands are identified by a brand ID. For each brand, the brand name, country of origin, and year of establishment must be recorded. ● ● ● ● ● ● ● ● Each clothing item has a unique clothing item ID. Each clothing item has a name, description, and price. Each brand has at least one clothing item. Each clothing item has only one brand. Each brand produces multiple clothing items. Customers purchase clothing items. A customer could purchase one or more clothing items, and a clothing item could be purchased by (zero or) one customer. Question: Develop an ER diagram that describes a conceptual model for CIS. 1. Indicate the primary key for each of the entities.

1. Part 1 Below is the description of a Clothes Information Store (CIS) System. • Customers are identified by a customer ID. Customer names, addresses, and ages must be recorded. Brands are identified by a brand ID. For each brand, the brand name, country of origin, and year of establishment must be recorded. ● ● ● ● ● ● ● ● Each clothing item has a unique clothing item ID. Each clothing item has a name, description, and price. Each brand has at least one clothing item. Each clothing item has only one brand. Each brand produces multiple clothing items. Customers purchase clothing items. A customer could purchase one or more clothing items, and a clothing item could be purchased by (zero or) one customer. Question: Develop an ER diagram that describes a conceptual model for CIS. 1. Indicate the primary key for each of the entities.

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
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1. Part 1 Below is the description of a Clothes Information Store (CIS) System. Customers are identified by a customer ID. Customer names, addresses, and ages must be recorded. Brands are identified by a brand ID. For each brand, the brand name, country of origin, and year of establishment must be recorded. ● ● ● ● ● ● ● Each clothing item has a unique clothing item ID. Each clothing item has a name, description, and price. Each brand has at least one clothing item. Each clothing item has only one brand. Each brand produces multiple clothing items. Customers purchase clothing items. A customer could purchase one or more clothing items, and a clothing item could be purchased by (zero or) one customer. Question: Develop an ER diagram that describes a conceptual model for CIS. 1. Indicate the primary key for each of the entities.
Transcribed Image Text:1. Part 1 Below is the description of a Clothes Information Store (CIS) System. Customers are identified by a customer ID. Customer names, addresses, and ages must be recorded. Brands are identified by a brand ID. For each brand, the brand name, country of origin, and year of establishment must be recorded. ● ● ● ● ● ● ● Each clothing item has a unique clothing item ID. Each clothing item has a name, description, and price. Each brand has at least one clothing item. Each clothing item has only one brand. Each brand produces multiple clothing items. Customers purchase clothing items. A customer could purchase one or more clothing items, and a clothing item could be purchased by (zero or) one customer. Question: Develop an ER diagram that describes a conceptual model for CIS. 1. Indicate the primary key for each of the entities.
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