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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Create a programme that accepts the integer N from the command line, creates a random BST of size N, then iterates the loop N times by deleting a random key (using the code delete(select(StdRandom.uniform(N))) and inserting a random key. After the loop, calculate and report the internal path length multiplied by N plus one to get the average length of a path in the tree. Run your programme for N = 102, 103, and 10 4 to test the seemingly paradoxical claim that this approach lengthens the tree's average route in a proportionate manner to N's square root. the identical tests should be performed for a delete() implementation that randomly selects whether to utilise use the predecessor or the successor node

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