thanks i understand now, i have other dought Index Scan using xix3_movimento_roteiro_empresa on movimento_roteiro_empresa movimentor0_ (cost=0.00..73386.80 rows=5126 width=451) what's this mean on red color above?
De: Kevin Grittner <Kevin.Grittner@wicourts.gov> Para: pgsql-performance@postgresql.org; paulo matadr <saddoness@yahoo.com.br> Enviadas: Sexta-feira, 10 de Julho de 2009 11:51:27 Assunto: Re: [PERFORM] Cost performace question
> Im confused about who is the most import (colour red ou blue).
For the benefit of those without an easy way to view email in http, the first cost number was in red, the second in blue.
The first number is the cost to retrieve the first row, the second number is the cost to retrieve the full set of rows. Usually I'm paying more attention to the second number.
