explain current page table and shadow page, Database Management System

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explain current page table and shadow page

Explain current page table and shadow page table.

The key idea behind the shadow paging method is to maintain two page tables during the life of the transaction: the current page table and the shadow page table. Both the page tables are identical when the transaction begins. The current page table might be changed when a transaction performs a write operation.

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Database Management System: explain current page table and shadow page

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