Re: Sequential Scans - Mailing list pgsql-general

From Scott Marlowe
Subject Re: Sequential Scans
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Msg-id CAOR=d=1Z4UU4m6OFkLW3TEApVQcNAHxZEw=-onGtwzSvCOnTyg@mail.gmail.com
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In response to Sequential Scans  (Efraín Déctor <efraindector@motumweb.com>)
Responses Re: Sequential Scans
List pgsql-general
On Mon, Apr 2, 2012 at 12:30 PM, Efraín Déctor
<efraindector@motumweb.com> wrote:
> Hello.  What is the difference between Sequential Scans and Sequential
> Tuples Read?.

A sequential scan is what happens when the table is read sequentially.
 One sequential scan can result in MANY tuples being read
sequentially.  I.e. a table with 1M rows being sequentially scanned
from end to end will result in 1M sequential tuples being read.

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