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'R' having 200 re stored in blocks Consider anothe rds and all these aoke. Those two t

'R' having 200 re stored in blocks Consider anothe rds and all these aoke. Those two t

Database System Concepts
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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Assume a relation 'R' having 200 records. These records are stored in blocks having block factor as 20. Consider another relation 'S' having 120 records and all these records are stored in 30 blocks. These two tables have to be joined using nested loop join algorithm. At any instance main memory can hold exactly one block of R and one block of S. What are the total number of block access required to join R and S ?
Transcribed Image Text:Assume a relation 'R' having 200 records. These records are stored in blocks having block factor as 20. Consider another relation 'S' having 120 records and all these records are stored in 30 blocks. These two tables have to be joined using nested loop join algorithm. At any instance main memory can hold exactly one block of R and one block of S. What are the total number of block access required to join R and S ?
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