Pants-R-Us is an apparel industry innovator, designer, and producer of high-quality branded and…

Pants-R-Us is an apparel industry innovator, designer, and producer of high-quality branded and retailer private label pants. It sells its products to major retailers who distribute through their own stores in major cities and shopping malls. The primary product lines feature dress and casual pants for men and women. The products are marketed under widely recognized national brands.
Pants-R-Us is in the process of designing a database system. The following information is provided to design the entity-relationship model for the database.
(a) Develop the entities and relationships that correspond to the following rules:

(1) Pants-R-Us classifies its product line as “Styles.” Each style is a design classification for a stock-keeping unit (SKU) where the SKU is the basic style in a particular color, waist, and length. Each style may have zero, one, or many SKUs, but an SKU is a member of only one style category.

(2) Pants-R-Us has created several unique colors for its pants. Each color is uniquely identified by a color_id. A color may be used in zero, one, or more SKUs, but each SKU has only one color. Some colors have been created that have not been assigned to an SKU and may never be used.

(3) The retailers who sell the products are the customers of Pants-R-Us. Customers will contract with Pants-R-Us based on styles it will distribute. A customer may distribute one or more styles for Pants-R-Us, and a particular style may be distributed by more than one customer.

(4) Customers have stores, which is the place where they sell the pants and other products. A customer may have one or more stores. To identify a store in the Pants-R-Us database for shipping purposes, all customers have agreed to provide their store_id to Pants-R-Us.

(5) SKUs are inventoried at the stores of the customers. A store will inventory one or more SKUs and each SKU may be inventoried in zero, one or more stores.

(b) The following is a list of attributes. Assign each attribute to the appropriate entities. If a composite entity has to be introduced in order to assign an attribute, name that composite entity. Indicate which attributes are key attributes.

Pants-R-Us is an apparel industry innovator, designer, and producer of high-quality branded and...

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