agora inbox for pgsql-sql@postgresql.org
help / color / mirror / Atom feedFrom: Eliober Cleger Despaigne <ecleger@uci.cu>
To: pgsql-sql@postgresql.org
Subject: about LEFT and INNER JOIN
Date: Tue, 23 May 2017 14:38:45 -0400
Message-ID: <012301d2d3f3$cf464bd0$6dd2e370$@uci.cu> (raw)
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-sql>
Grettings
I need to know which algorithm uses the INNER JOIN and LEFT JOIN. If would
be possible, I need to know their costs too in O(n) notation.
La @universidad_uci es Fidel. Los jóvenes no fallaremos.
#HastaSiempreComandante
#HastalaVictoriaSiempre
view thread (3+ messages) latest in thread
Message-ID: <012301d2d3f3$cf464bd0$6dd2e370$@uci.cu>
Permalink: ../012301d2d3f3$cf464bd0$6dd2e370$@uci.cu/
Also on: postgresql.org/message-id/012301d2d3f3$cf464bd0$6dd2e370$@uci.cu
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: ecleger@uci.cu
Subject: Re: about LEFT and INNER JOIN
In-Reply-To: <012301d2d3f3$cf464bd0$6dd2e370$@uci.cu>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox