Database Systems MCQs - Chapter 18

Query Processing Multiple Choice Questions (MCQs) PDF Download - 5

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Query Processing Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: Before any processing on a query can begin, it must be

Accessed
Evaluated
Optimized
Translated

MCQ 22: The most commonly used algorithm technique for external sorting is known as

Sort-merge
External sort-merge
External merge
External runnable merge

MCQ 23: Each operation in a producer-driven pipeline is modeled as a separate

Process
Thread
System
Both A and B

MCQ 24: In the A2 search, the index is used to retrieve a single record that meets the corresponding

Equality comparison
Index condition
Nonkey comparison
Inequality comparison

MCQ 25: For a query the evaluation plans can be

1 only
2 only
Multiple
0

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