Re: PostgreSQL versus MySQL for GPS Data - Mailing list pgsql-general

From Craig Ringer
Subject Re: PostgreSQL versus MySQL for GPS Data
Date
Msg-id 49BFBDA2.50401@postnewspapers.com.au
Whole thread Raw
In response to Re: PostgreSQL versus MySQL for GPS Data  (Stephen Frost <sfrost@snowman.net>)
List pgsql-general
Stephen Frost wrote:

> As mentioned, you might want to eliminate duplicate entries; no sense
> storing information that can be trivially derived.

It's pretty easy to do that with a trigger - and you can add a degree of
noise correction too, so that "wobble" in GPS position doesn't get
recorded - you only log changes of more than a certain distance.

--
Craig Ringer

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