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Re: Question regarding the output of postgresql *explain* command

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Hi Tom,

Thanks, I’ll read this page.




> On May 28, 2017, at 8:36 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
> 
> Arup Rakshit <aruprakshit1987@xxxxxxxxxxx> 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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