Question
Suppose you need to sort a relation of 50 gigabytes, with 4 kilobyte blocks, using a memory size of 40 megabytes. Suppose the cost of
Suppose you need to sort a relation of 50 gigabytes, with 4 kilobyte blocks, using a memory size of 40 megabytes. Suppose the cost of a seek is 4 milliseconds, while the disk transfer rate is 50 megabytes per second. a. Find the cost of sorting the relation, in seconds, with bb = 100. b. How many merge passes are required?
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Mastering PostgreSQL 12 Advanced Techniques To Build And Administer Scalable And Reliable PostgreSQL Database Applications
Authors: Hans-Jurgen Schonig
3rd Edition
1838988823, 978-1838988821
