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 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
