April 2018
Intermediate to advanced
508 pages
15h 22m
English
Content preview from PostgreSQL 10 High Performance - Third Edition
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Assembling row sets
To understand how to optimize the way a query runs, you have to first understand the options for how it can be executed. Now that you're armed with some basics on how nodes fit together and costs are computed, the next stage to understanding how queries work is to see the options for bottom-level plan nodes that are usually selecting rows.
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