Generate an unnormalised table for a database schema

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Reference no: EM133753211 , Length: word count:1500

Database Design and Management

Assessment - Normalisation of a Database Schema

Assessment - AI Response Critique

Your Task
This assessment is to be completed individually. You will use ChatGPT (free version) to generate an initial table for a database schema and a corresponding scenario. You will then use ChatGPT (free version) to analyse the schema, identify the dependencies, and normalise the schema step-by-step through the first normal form (1NF), the second normal form (2NF), and the third normal form (3NF).

Assessment Description
This assessment evaluates your understanding and application of database normalisation principles. You will transform an unnormalised database schema into its highest normalised form, typically the third normal form (3NF). You will use ChatGPT (free version) to generate an initial table for a database schema and a corresponding scenario. Your task involves analysing the schema, identifying dependencies, and normalising the schema while documenting your process. You will also create dependency diagrams for each table at each normalisation stage.

Learning outcome 1: Construct database models.
Learning outcome 2: Use normalisation techniques for the purpose of data integrity.

Assessment Instructions

To normalise a database schema from its initial unnormalised state to the third normal form (3NF)

and document each process step, including dependency diagrams.
Steps to Follow:
Use ChatGPT (free version) to create an unnormalised table for a database schema and a scenario that describes the database's context and purpose.
Example Prompt for ChatGPT:
"Generate an unnormalised table for a database schema related to a University Course management system and a scenario describing its use. The suggested database should include at least eight attributes."
Carefully examine the generated table and scenario to understand the structure and the data stored in the database.
List all functional dependencies in the unnormalised schema (the original table).
Transform to the first normal form (1NF) and ensure the table complies with the first normal form (1NF) rules. Draw the dependency diagram for the table in 1NF.
Transform to the second normal form (2NF) and draw the dependency diagram for the table(s) in 2NF.
Transform to the third normal form (3NF) and draw the table(s) dependency diagram in 3NF.
Document the final set of tables, including table names, attributes, and primary and foreign keys.
Provide a step-by-step explanation of how you transformed the schema from its initial form to 1NF, then to 2NF, and finally to 3NF.

Reference no: EM133753211

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