Heuristic Query Optimization MCQs Quiz Online PDF Download

Learn heuristic query optimization MCQs, database management system test for learning online courses and test prep to practice. Query optimization quiz has multiple choice questions (MCQ), heuristic query optimization quiz questions and answers, pipelining and materialization, transformation of relational expressions, heuristic optimization in dbms, query optimization techniques, heuristic query optimization tutorials for online OLSP courses distance learning.

Database management system practice test MCQ: most database systems to store number of values for an attribute within several ranges, uses with choices histogram , gantt chart, pie-chart and bar-graph problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning heuristic query optimization quiz with MCQs to practice test questions with answers.

MCQs on Heuristic Query Optimization Quiz PDF Download

MCQ. Most database systems to store number of values for an attribute within several ranges, uses

  1. Histogram
  2. Gantt chart
  3. Pie-chart
  4. Bar-graph


MCQ. Incremental view maintenance is needed to efficiently update

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


MCQ. 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. Histograms can be computed using

  1. Population
  2. Average of data
  3. Sampling
  4. Hard data


MCQ. Materialized views are used to speed up

  1. Query optimization
  2. Query processing
  3. Query management
  4. Query cost