Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 2 (Chapter 17)

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The Query Optimization Multiple Choice Questions (MCQ Quiz) with Answers PDF (Query Optimization MCQ PDF e-Book) download Ch. 17-2 to learn Database Systems Course. Solve Heuristic Query Optimization Multiple Choice Questions (MCQs), Query Optimization quiz with answers PDF for online master computer science. Download the Query Optimization MCQ App: Free Database Systems MCQ App to learn heuristic optimization in dbms, transformation of relational expressions, query optimization techniques career test to learn online certificate courses.

The MCQ: Incremental view maintenance is needed to efficiently update; "Query Optimization MCQ" App (Android, iOS) with answers: rational views, materialized views, relational views, and query views for online master computer science. Practice Database Authorization Quiz Questions, download Apple Book (Free Chapter) for computer software engineer online degree.

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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Query Optimization MCQs Apps (Android & iOS)

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