Query Processing MCQs Quiz Online PDF Book Download

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Learn query processing test MCQs: an operation of relational algebra annotated with instructions on how to evaluate it is called an, with choices execution plan, query plan, evaluation primitive, and execution engine for information technology masters degree online. Practice merit scholarships assessment test, online learning query processing quiz questions for competitive assessment in computer science major for data science certification.

MCQ on Query Processing Quiz Book 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