Retrieval performance of a B+-tree indexed file can be improved by keeping the upper part of the index tree resident in main memory.

Name: Retrieval performance of a B+-tree indexed file can be improved by keeping the upper part of the index tree resident in main memory.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

By keeping the upper part of the index tree resident in main memory, the access time to the index nodes is reduced, which improves the retrieval performance.

Retrieval Performance of a B+-Tree Indexed File Can Be Improved