Re: Subselect query enhancement

On Thu, 1 Feb 2007 11:42:03 -0500
"Michael Artz" <mlartz(at)gmail(dot)com> wrote:

> I'm needing help determining the best all-around query for the
> following situation. I have primary table that holds ip information
> and two other tables that hold event data for the specific IP in with
> a one-to-many mapping between them, ie:
>
> CREATE TABLE ip_info (
> ip IP4,
> --other data
> );
>
> CREATE TABLE network_events (
> ip IP4 NOT NULL REFERENCES ip_info(ip),
> name VARCHAR,
> port INTEGER,
> --other data
> );
>
> CREATE TABLE host_events (
> ip IP4 NOT NULL REFERENCES ip_info(ip),
> name VARCHAR
> port INTEGER,
> --other data
> );

It would probably help to have an index on that column for all three
tables, then I would wager using joins will be the speed winner.

---------------------------------
Frank Wiles <frank(at)wiles(dot)org>
http://www.wiles.org
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