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Query Processing Quiz App Download | Database Systems PDF e-Book

Database Systems MCQs: Chapter 18

Query Processing Quiz Questions & Answers PDF Download | 3

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Query Processing Exam Questions and Answers PDF Download: Test 3

MCQ: 11

The A8 algorithm uses the selection of

  1. Disjunction condition
  2. Negation condition
  3. Conjunction condition
  4. Composite condition
MCQ: 12

The A5 search algorithm uses a

  1. Primary index
  2. Secondary index
  3. Ordered index
  4. Clustered index
MCQ: 13

The lowest-level operator in query-processing to access data, is

  1. Pointers
  2. Locators
  3. Indices
  4. File scan
MCQ: 14

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
MCQ: 15

Sorting of relations that do not fit in memory is called

  1. Internal sorting
  2. External sorting
  3. Runnable sorting
  4. Repeated sorting

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