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Case Study
Part 1 ER Diagram• Identify the entities, relationships, participation and cardinality from the above case study. Use UPPERCASE to name your entities and use Capitalisation (of first letter) to name attributes of entities. Underline all primary key attributes and mention all the foreign key attributes.Specify relationship verb.• Resolve many to many relationships. • State your assumptions clearly. • Create an ER diagram using crow's foot notation in any tool of your choice. Hand drawn diagrams will not be accepted.
Part 2 Normalization• List all the dependencies in a dependency diagram including partial and transitive.• Show the determinants and select primary key, foreign key.• Starting with unnormalized data, convert all the tables to 1 NF. Clearly outline the rules for a table to be in 1 NF and provide justification.• Identify partial dependency if any and resolve it.• Identify transitive dependency if any and resolve it.• Make sure the tables are in BCNF. Explain the rule with tables as example.• Identify multivalued dependency if any and resolve it.• At each stage list the rules and provide explanation of why the tables are in 2, 3 or 4 NF.
Video Presentation• Write a personal reflection on the Part highlighting the key takeaways from the tasks and any challenges you might have faced. Record a 5-minute video with your face clearly visible explaining both the tasks you performed above. Upload it on youtube as an unclassified video and share the link in the document after writing personal reflection word limit 250 words.
Attachment:- Case Study.rar
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