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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. 2. Include the attributes for the different entities in the ER model. 3. Include the cardinalities of the different relationships.

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. 2. Include the attributes for the different entities in the ER model. 3. Include the cardinalities of the different relationships.

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. 2. Include the attributes for the different entities in the ER model. 3. Include the cardinalities of the different relationships.
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. 2. Include the attributes for the different entities in the ER model. 3. Include the cardinalities of the different relationships.
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