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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 2 (Chapter 17)

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Free "Query Optimization MCQ" App Download (Android & iOS): Materialized views constitute; MCQ with answers: uniform data, linear data, unique data, and redundant data. Practice Database Authorization Quiz Questions, download Apple Book (Free Chapter) to strengthen database analysis.

Query Optimization MCQ – Practice Test 2 PDF Download

MCQ 6: Incremental view maintenance is needed to efficiently update:

  1. Materialized views
  2. Rational views
  3. Relational views
  4. Query views

MCQ 7: Materialized views constitute:

  1. Linear data
  2. Uniform data
  3. Unique data
  4. Redundant data

MCQ 8: Advanced optimization techniques includes optimization of updates, multiquery optimization and:

  1. Top-K optimization
  2. Join minimization
  3. Parametric query optimization
  4. All of the Above

MCQ 9: The optimizer that explores the space of all query-evaluation plans is called:

  1. Cost-based
  2. Plan-based
  3. Estimate-based
  4. Count-based

MCQ 10: The complex queries evaluation plan involves many:

  1. Disk accesses
  2. Sector accesses
  3. Parameters
  4. Differentials

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