Question: Review examples on 1:1 and Recursive data modeling slides. Please draw an ER Diagram and write Relational Data Model for the following scenarios: A


 

Review examples on 1:1 and Recursive data modeling slides.

 

 Please draw anER Diagram and writeRelational Data Model for the following scenarios:

  1. A dairy farmer has several herds of cows. He has assigned each cow to a particular herd. In each herd, the farmer has one cow that is the leader of the herd.


 

Design a database to store product details for a manufacture plant.Some products are purchased from suppliers. A supplier can provide many products; a product, if it needs a supplier, can only be purchased from one supplier.A product can be a part of many other products and can be made up of many products. The following information for each product should be recorded: product number, product name, year of build.

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