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The ____________ scheme uses a page table containing pointers to all pages; the page table itself and all updated pages are copied to a new location.

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The ____________ scheme uses a page table containing pointers to all pages; the page table itself and all updated pages are copied to a new location. (a) Shadow copy (b) Shadow Paging (c) Update log records (d) All of the mentioned This question was posed to me in my homework. Enquiry is from Recovery in division Recovery System of Database Management

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Right choice is (b) Shadow Paging The explanation is: Any page which is not updated by a transaction is not copied, but instead the new page table just stores a pointer to the original page.

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