Query Optimization Multiple Choice Questions Test 1 Tests pdf Download

Practice query optimization multiple choice questions (MCQs), db test 1 online to learn. Practice 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 answer key with choices as gantt chart, histogram, pie-chart and bar-graph of multiple choice questions (MCQ) as most database systems to store number of values for an attribute within several ranges, uses to test learning skills. Study to learn heuristic query optimization quiz questions to practice MCQ based online exam preparation test.

MCQ on Query Optimization Quiz pdf Download Test 1

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

A

MCQ. 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. Modification to a relation or expression is referred to as its

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

D

MCQ. Operations of Natural-join are

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

B

MCQ. Iterator operation of a demand driven pipeline provides function of

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

D