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"Query Trees Notations MCQ" App Download [Free] with MCQ: In a query tree, the operations of relational algebra are classified as; with answers: internal nodes, external nodes, theta nodes, and entity nodes for DBMS academic success. Practice Query Trees Notations Quiz Questions, download Apple Book (Free Chapter) to advance virtual studies.

Query Trees Notations MCQs PDF Download – Prep Test

MCQ 1: In a query tree, the operations of relational algebra are classified as:

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

MCQ 2: 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

MCQ 3: 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

MCQ 4: In a query tree, the input relations of query are classified as:

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

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