Measures of Query Cost MCQs Questions and Answers PDF Book Download

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Learn query processing test MCQs: tin query-evaluation plan, response time is merely dependent on contents of the, with choices queue, disk, buffer, and pipeline for online computer science degree. Practice assessment test for scholarships, online learning measures of query cost quiz questions for competitive assessment in computer science major for data science certification.

MCQ on Measures of Query Cost Quiz Book Download

MCQ: Tin query-evaluation plan, response time is merely dependent on contents of the

  1. Queue
  2. Disk
  3. Buffer
  4. Pipeline

C

MCQ: For a query evaluation plans can be

  1. 1 only
  2. 2 only
  3. Multiple
  4. 0

C

MCQ: In query-evaluation plan, wall-clock time required to execute plan is called the

  1. Response time
  2. Latency time
  3. Queuing time
  4. Buffer time

A

MCQ: Instead of minimizing response time, optimizers can minimize a query plan's

  1. Disk usage
  2. Resource consumption
  3. Pipeline size
  4. Indices length

B

MCQ: Cost of evaluation of query can be measured in terms of different resources, disk accesses and

  1. CPU time
  2. Distributed or parallel database system
  3. Cost of communication
  4. All of the above

D