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Chapter 18: Database Systems Exam Tests

Database Systems MCQs - Chapter 18

Query Processing Multiple Choice Questions 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

A) Accessed
B) Evaluated
C) Optimized
D) Translated

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

A) Sort-merge
B) External sort-merge
C) External merge
D) External runnable merge

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

A) Process
B) Thread
C) System
D) Both A and B

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

A) Equality comparison
B) Index condition
C) Nonkey comparison
D) Inequality comparison

MCQ 25: For a query the evaluation plans can be

A) 1 only
B) 2 only
C) Multiple
D) 0

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Query Processing App (Android & iOS)

Query Processing App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Digital Image Processing App (Android & iOS)

Digital Image Processing App (Android & iOS)

Computer Fundamentals App (Android & iOS)

Computer Fundamentals App (Android & iOS)