Why do a logical data mapping exercise assignment help

Need Answer for 2 Questions

1.  Select two topics below and post an original thread of 200 to 300 words each in this week’s discussion forum.

  • Why do a logical data mapping exercise?
  • Why would XVS Pharmacy require all of their architects to use this logical data model for developing physical data models?
  • What is a subtype/supertype?

2The following is a high level scenarioof what you will be developingthis week:You’re a data architect at a large pharmacy chain (XVS pharmacy)  XVS Pharmacy incorporates an Inmon 3NF or close to 3NF Physical data model, and Kimball star Schema Semantic/Reportinglayer.Forthis weekXVS Pharmacy asked you to build the 3NF Physical Data Model(Complete details for this assignment are outlined below).

  • XVS Pharmacy has provided you with a spreadsheet that contains the file layout of all the attributes.It also contains the business rules that you need to use when building your 3NF physical model. Your assignment is to transform this spreadsheet layout(using the business rules) into a 3NF physical model. The spreadsheet is located in the  attached documents folder. The spreadsheet is called File Layout XVS Pharmacy. 
  • Make sure your physical model uses Crow’s Feet Notation.Also you should have all your attributes for each entity clearly labeled and include a PK for each table. I also want to see all appropriate FKs for each entity.
  • Data Types are not critical within your model.

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