During the process of DBMS query optimisation, please explain how each of the eight cost estimation algorithms may be matched with a different set of heuristic rules and how this impacts the amount of work a DBA has to do.

Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter16: Database Administration And Security
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During the process of DBMS query optimisation, please explain how each of the eight cost estimation algorithms may be matched with a different set of heuristic rules and how this impacts the amount of work a DBA has to do.

 

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