Re: [GENERAL] Question regarding the output of postgresql *explain* command

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От Tom Lane
Тема Re: [GENERAL] Question regarding the output of postgresql *explain* command
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Msg-id 2116.1495984010@sss.pgh.pa.us
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Ответ на [GENERAL] Question regarding the output of postgresql *explain* command  (Arup Rakshit <aruprakshit1987@outlook.com>)
Ответы Re: [GENERAL] Question regarding the output of postgresql *explain*command  (Arup Rakshit <aruprakshit1987@outlook.com>)
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Arup Rakshit <aruprakshit1987@outlook.com> writes:
> I was reading to day how indexing works. And I was trying some query, for example below one. What the range basically
means(cost=0.28..8.30 ? I don’t understand this. 

https://www.postgresql.org/docs/current/static/using-explain.html

            regards, tom lane


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