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MCQs on Query Trees Notations PDF eBook 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