Role of normalized and de-normalized data

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Reference no: EM133900925

Assignment:

Using simple examples and/or diagrams of your own choosing, explain and demonstrate the similarities and differences between:

o Entity-Relationship Models

o Star Schemas

o Snowflake Schemas

You should particularly address the roles of primary and foreign keys plus the role of normalized and de-normalized data on determining the number of dimensions in a given model.

Reference no: EM133900925

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