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3 cards from this section. Quick, good the night before a test.
What is denormalization?
Think about its relationship to normalization.
Name one advantage of denormalization.
What happens to the complexity of queries?
What is denormalization?
Focus on ops about data retrieval.
True or False: Denormalization increases the number of joins needed for queries.
Think about the outcome when you merge tables.
Design a simple schema containing Customers, Orders, and Products. Describe how you would denormalize this schema for a reporting tool and the impacts on both reads and writes.
Think about the relationships between these entities and the best way to consolidate them.
In a project where you optimize a database for online shopping with numerous reads, explain your approach to decide between normalization and denormalization.
Evaluate the project's needs in terms of data integrity versus performance.
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