Database Systems MCQs - Chapter 18

Query Processing Quiz Questions and Answers PDF - 3

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Query Processing Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: The A8 algorithm uses the selection of

Disjunction condition
Negation condition
Conjunction condition
Composite condition

MCQ 12: The A5 search algorithm uses a

Primary index
Secondary index
Ordered index
Clustered index

MCQ 13: The lowest-level operator in query-processing to access data, is

Pointers
Locators
Indices
File scan

MCQ 14: A3 search performs retrieval of multiple records by using a primary index specifying the

Equality comparison on a key attribute
Inequality comparison on a nonkey attribute
Equality comparison on a nonkey attribute
Inequality comparison on a key attribute

MCQ 15: Sorting of relations that do not fit in memory is called

Internal sorting
External sorting
Runnable sorting
Repeated sorting

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