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A block that is not allowed to be written back to disk is said to be ______________

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A block that is not allowed to be written back to disk is said to be ______________

(a) Pinned

(b) Forced

(c) Buffer

(d) All of the mentioned

The question was posed to me in an international level competition.

My doubt stems from Database Buffer topic in chapter Storage and File Structures of Database Management

1 Answer

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Best answer
Right option is (a) Pinned

To explain: Although many operating systems do not support pinned blocks, such a feature is essential for a database system that is resilient to crashes.

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