19.2.3 - Materialized Views
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Practice Questions
Test your understanding with targeted questions
What is a materialized view?
💡 Hint: Think about how it relates to normal views.
Write the SQL command to create a materialized view that summarizes sales by product category.
💡 Hint: Use the CREATE MATERIALIZED VIEW syntax.
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Interactive Quizzes
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What is the primary advantage of using a materialized view?
💡 Hint: Think about how it enhances performance for frequent queries.
True or False: A materialized view is automatically updated whenever the underlying data changes.
💡 Hint: Consider how they differ from regular views.
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Challenge Problems
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You are tasked with improving performance for a retail database where sales data is aggregated by month. Create a design for a materialized view and discuss its refresh strategy.
💡 Hint: Plan for how frequently your data changes and what users need.
Evaluate a scenario where a frequently changing dataset would be problematic for a materialized view. Suggest an alternative approach.
💡 Hint: Think about the trade-offs of speed versus data accuracy.
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