Disk usage for intermediate results in join algorithms

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От Parul Lakkad
Тема Disk usage for intermediate results in join algorithms
Дата
Msg-id CACmw6hSOpA3H7-x+XpC-8g704JYvsaiRZRrH8a7csG2ViHCywQ@mail.gmail.com
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Ответы Re: Disk usage for intermediate results in join algorithms
Список pgsql-novice
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Hi,

I am trying to figure out when disk is used to store intermediate results while performing joins in postgres.

According my findings using 'explain analyse ' only merge sort uses disk.
Can anyone please throw some more light on this?

Thanks,
Parul

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