Question: The figure below shows a tree which organizes a database into four levels. The highest level represents the entire database DB , which consists of

The figure below shows a tree which organizes a database into four levels. The highest level represents the entire database DB, which consists of files (filel and file2). Each file in return has pages. Finally, each page has nodes of type record. For example, filel has pages (p11 and p22), and page p11 has records r111, r112 and r113.

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