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Home » Quiz » Data Modelling Quiz

Database performance tuning involves optimizing _______ to ensure efficient data retrieval.

Difficulty level
  • Caching
  • Indexing
  • Joins
  • Normalization
Database performance tuning involves optimizing indexes to ensure efficient data retrieval. Indexes provide a quick lookup mechanism, allowing the database engine to find and retrieve data more rapidly.
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Data Modelling Quiz
Quiz
Scenario: A retail chain wants to analyze sales data from each of its store locations separately to identify regional trends and preferences. Would you recommend implementing a Data Warehouse or multiple Data Marts, and what factors would you consider in making this decision?
What is the purpose of surrogate keys in fact tables?

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