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Problem
As explained throughout this course, entity relationship modeling is a critical element of database design. If the database is not properly modeled, it is unlikely that the database will be properly developed.
Using this knowledge, explain the key reasons why entity relationship modeling is important, and determine at least way in which it impacts the overall development of the database.
Analyze the key ways that entity relationship modeling helps database developers overcome potential design challenges and conflicting goals.
For the database that you described in the Week 1 and Week 2 discussions, determine the major / minor challenges that might exist when you are creating an entity relationship diagram (ERD) for the business function / operation. I used the example of Amazon.com
Please note: (so this needs to be in line with amazon.com business function and operation)
Create and maintain a database server and design an enterprise data model that incorporates all of the data used by an organisation's business processes
What is the importance to have a button that takes you back to the main page on each web page? How does dead end or orphan pages affect the continuity of a website?
Identify if a firewall is enabled on your machine and if you need Windows firewall running in addition if that anti-virus software is installed on your machine.
Produce a plan for administering and maintaining the database system.
objectivesto analyse and comprehend a provided er diagram and database schemato implement a database based on the
Why do you suppose this approach is used? What aspect of database design is generally missed in the ER Model that the conversion to relational tables addresses?
Design an E-R model for this database. You will have to make decisions about attributes and keys. If you don't think it is clear what your attributes mean then provide some notes and assumptions to go with your design.
Sketch a DFSA for identifiers which contain only letters and digits, where identifier should have at least one letter, but it need not be first character.
create an entity-relationship (E-R) diagram for the scenario that you selected from Hands-On Database and based on the information you produced.
Under what situations would denormalization of a database schema be used? Give examples of denormalization.
Relational Database Systems (COMP 1005) Design the logical structure of a database using Entity-Relationship diagram and Apply normalization techniques to reduce redundancy in a database -
What furniture does Pine Valley carry that isn't made of Cherry? What is the average standard price for all products in the products table?
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