May 2017
Beginner
416 pages
10h 37m
English
Content preview from Mastering PostgreSQL 9.6
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Evaluating join options
The planner has a couple of options here and I want to use the chance to show what can go wrong if trivial approaches are used.
Suppose, the planner would just steam ahead and calculate the output of the view. What is the best way to join 100 million with 200 million rows?
In this section, a couple of (not all) join options will be discussed to show what PostgreSQL is able to do.
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