Query Processing MCQs Quiz Online PDF Download

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Study bachelors and masters in data science degree MCQs: an operation of relational algebra annotated with instructions on how to evaluate it is called an, for online courses with choices execution plan, query plan, evaluation primitive, and execution engine for associate degree, graduate degree and masters degree students for online eLearning preparation. Free skills assessment test is for online learn query processing quiz questions with MCQs, exam preparation questions and answers.

MCQs on Query Processing Quiz PDF Download

MCQ: An operation of relational algebra annotated with instructions on how to evaluate it is called an

  1. Execution plan
  2. Query plan
  3. Evaluation primitive
  4. Execution engine

C

MCQ: A3 search performs retrieval of multiple records by using a primary index specifying the

  1. Equality comparison on a key attribute
  2. Inequality comparison on a nonkey attribute
  3. Equality comparison on a nonkey attribute
  4. Inequality comparison on a key attribute

C

MCQ: In A4 search algorithm, selection operation can specify an equality condition by using a

  1. Secondary index
  2. Clustered index
  3. Nonclustered index
  4. Primary index

A

MCQ: Tasks involved in extracting some kind of data from a database known as

  1. Query processing
  2. Query management
  3. Query statement
  4. Query transaction

A

MCQ: Before any processing on a query can begin, it must be

  1. Accessed
  2. Evaluated
  3. Optimized
  4. Translated

D