CS403 Assignment 1 Solution Spring 2022: The assignment is submitted after the due date. The submitted assignment does not open or file corrupt. The assignment is fully or partially copied from other students or ditto copied from handouts or the internet. Student ID is not mentioned in the assignment File or the name of the file is other than student ID. The assignment is not submitted in .doc or .docx format.
Suppose you are required to model an E-Furniture Store system for an organization to get a complete understanding of the domain. This E-Furniture system provides the distribution of furniture to all over the country.
Anyone can view available items however only clients registered individual users or distributors can interact with the website. Clients will be able to purchase items available on the website, they can also place a customized order for items with their own choice of materials, fabrics, description, wood type, number of items, etc. Clients can also specify required completion data for customized orders. Clients will also be able to view and download the invoice.
The manager can view order details and can process the orders. He/She can also generate invoices. The manager also wants to keep a record of available stock. Managers can allocate customized orders to carpenters and can view allocated order details. Carpenters will be able to view allocated customized order detail, they can also update the status of the order.
As the name suggests that the minimum cardinality is the inverse of the maximum cardinality so we can say that the minimum cardinality shows us how many instances of one entity can be placed in another relation at least. In simple words, it can be said that the minimum cardinality tells whether the link between two relations is optional or compulsory. It is very important to determine the minimum cardinality when designing a database because it defines the way a database system will be implemented.
we have one too many cardinalities between the entities. Maximum cardinalities are shown with the modifier that appears on the link and is adjacent to the entity rectangle. The other modifier which is next to the maximum cardinality modifier tells the minimum cardinality. The minimum cardinality modifier lies at more distance from the entity as compared to the maximum cardinality modifier.
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