Query Trees Notations MCQs Quiz Online PDF eBook Download

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Practice query trees notations MCQ: In a query tree, operations of relational algebra are classified as, with choices internal nodes, external nodes, theta nodes, and entity nodes for cheapest online computer science degree. Practice merit scholarships assessment test, online learning query trees notations quiz questions for competitive exams in computer science major for computer majors.

MCQs on Query Trees Notations PDF eBook Download

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

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

D

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

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

D

MCQ: Data structure in the 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, the input relations of query are classified as

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

B