Assuming that a query has a buffer holding up to 3 blocks, and each block can hold two records. Use merge-sort to sort the following records in ascending order: 10, 11, 1, 5, 90, 1, 2, 101 (a) How many runs will be produced in the whole algorithm and what are the contents of the runs? (b) Clearly identify what the algorithm will do in each merge pass. (c) Over the entire course, how many blocks are transferred from the disk to the memory?
Assuming that a query has a buffer holding up to 3 blocks, and each block can hold two records. Use merge-sort to sort the following records in ascending order: 10, 11, 1, 5, 90, 1, 2, 101 (a) How many runs will be produced in the whole algorithm and what are the contents of the runs? (b) Clearly identify what the algorithm will do in each merge pass. (c) Over the entire course, how many blocks are transferred from the disk to the memory?
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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Assuming that a query has a buffer holding up to 3 blocks, and each block can hold two records. Use merge-sort to sort the following records in ascending order: 10, 11, 1, 5, 90, 1, 2, 101
(a) How many runs will be produced in the whole
(b) Clearly identify what the algorithm will do in each merge pass.
(c) Over the entire course, how many blocks are transferred from the disk to the memory?
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