Query Optimization Multiple Choice Questions 1 PDF Download

Practice query optimization multiple choice questions (MCQs), db test 1 for online course prep exams. Learn heuristic query optimization MCQs questions and answers on heuristic query optimization, query optimization techniques, heuristic optimization in dbms, transformation of relational expressions, pipelining and materialization with answers.

Free query optimization quiz online, study guide has multiple choice question on most database systems to store number of values for an attribute within several ranges, uses with options gantt chart, histogram , pie-chart and bar-graph to test online e-learning skills for viva exam prep and job's interview questions with answers key. Study to learn heuristic query optimization quiz questions with online learning MCQs for competitive exam preparation test.

MCQ on Query Optimization Quiz PDF Download Test 1

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

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

A

MCQ. The process of finding a good strategy for processing a query is called

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

A

MCQ. The modification to a relation or expression is referred to as its

  1. Moderator
  2. Change
  3. Alterations
  4. Differential

D

MCQ. The operations of Natural-join are

  1. Commutative
  2. Associative
  3. Distributive
  4. Conjunctive

B

MCQ. The iterator operation of a demand driven pipeline provides the function of

  1. open()
  2. next()
  3. close()
  4. All of the Above

D