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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 1 (Chapter 17)

Query Optimization MCQs with Answers PDF – Test 1

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Study Query Optimization Multiple Choice Questions (MCQs) with Answers PDF to optimize database learning. Download the Query Optimization MCQs PDF e-Book, Ch. 17-1 to study Database Systems Course. Practice Heuristic Query Optimization MCQs, Query Optimization Notes questions and answers PDF for database design training. Download the Query Optimization MCQs App: Free Database Systems Study App to study query optimization techniques, heuristic optimization in dbms, transformation of relational expressions, pipelining and materialization career test to improve study efficiency.

Free Query Optimization Study App Download: Process of finding a good strategy for processing a query is called; MCQ with answers: query processing, query optimization, query management, and query cost. Solve SQL Data Definition Quiz Questions, download Google e-Book (Free Chapter) to optimize database learning.

Query Optimization MCQs PDF Download – Test 1

MCQ 1: 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

MCQ 2: 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

MCQ 3: The modification to a relation or expression is referred to as its:

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

MCQ 4: The operations of Natural-join are:

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

MCQ 5: The iterator operation of a demand driven pipeline provides the function of:

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

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