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DAA-C01 · Question #196
DAA-C01 Question #196: Real Exam Question with Answer & Explanation
The correct answer is A: They offer a precomputed, persisted snapshot of data, improving query performance.. Materialized views provide precomputed snapshots of data, enhancing query performance by reducing computation overhead.
Performance Optimization
Question
Which statement accurately describes the usage of materialized views in data analysis?
Options
- AThey offer a precomputed, persisted snapshot of data, improving query performance.
- BMaterialized views are restricted to storing small subsets of data.
- CMaterialized views are only accessible through stored procedures.
- DMaterialized views update in real-time, reflecting instantaneous changes in the database.
Explanation
Materialized views provide precomputed snapshots of data, enhancing query performance by reducing computation overhead.
Topics
#Materialized Views#Query Performance#Data Analysis
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