Database Systems MCQs - Chapter 17

Query Optimization MCQ (Multiple Choice Questions) PDF - 2

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Query Optimization Questions & Answers PDF Download: MCQ Quiz 2

MCQ 6: Incremental view maintenance is needed to efficiently update

A) Materialized views

B) Rational views

C) Relational views

D) Query views

MCQ 7: Materialized views constitute

A) Linear data

B) Uniform data

C) Unique data

D) Redundant data

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

A) Top-K optimization

B) Join minimization

C) Parametric query optimization

D) All of the Above

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

A) Cost-based

B) Plan-based

C) Estimate-based

D) Count-based

MCQ 10: The complex queries evaluation plan involves many

A) Disk accesses

B) Sector accesses

C) Parameters

D) Differentials

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