Query Trees Notations MCQs Quiz Online PDF Download

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Database management system practice test MCQ: in a query tree, operations of relational algebra are classified as with options internal nodes, external nodes, theta nodes and entity nodes for science students and scholars to prepare for entry tests for admission in online universities and colleges. Free study guide is for online learning query trees notations quiz with MCQs to practice test questions with answers.

MCQs on Query Trees Notations Quiz PDF Download

MCQ: In a query tree, operations of relational algebra are classified as

  1. internal nodes
  2. external nodes
  3. theta nodes
  4. entity nodes

D

MCQ: In notation for query trees, node which is used to terminate execution is classified as

  1. attribute nodes
  2. leaf nodes
  3. stem nodes
  4. root nodes

D

MCQ: Data structure in form of tree to correspond to relational algebra expression is classified as

  1. relation tree
  2. attribute tree
  3. entity tree
  4. query tree

D

MCQ: In a query tree, input relations of query are classified as

  1. attribute nodes
  2. leaf nodes
  3. stem nodes
  4. root nodes

B