pg noob <pgn...@gmail.com> writes:
> I'm looking at this query plan, an excerpt of which is shown here, and I am
> just wondering how the estimated cost for the Nested Loop is calculated?

http://www.postgresql.org/docs/9.2/static/using-explain.html

There's a nestloop example about a third of the way down the page ...

                        regards, tom lane


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