how a query might be broken apart so that each parallel processor handles a subset of the query

Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter10: Transaction Management And Concurrency Control
Section: Chapter Questions
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Assume that a database system is installed on a server with 3 core processors. You want your query to run on multiple processors so that each processor accesses in parallel a subset of the database. Or, you might set up your system in a way that partitions your query so that each part of the same query runs on a different processor. Explain, with an example, how a query might be broken apart so that each parallel processor handles a subset of the query

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