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Query Trees Notations MCQs Quiz Online PDF Download eBook

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"In a query tree, the operations of relational algebra are classified as" Multiple Choice Questions (MCQ) on query trees notations with choices internal nodes, external nodes, theta nodes, and entity nodes for cheapest online computer science degree. Practice query trees notations quiz questions for merit scholarship test and certificate programs for computer majors.

MCQs on Query Trees Notations PDF Download eBook

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: The 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