[mapguide-users] Guestion about Spatial Data v SHP,SDF your opinion pleas.

[Jason Birch]

Understood :)

I've been maintaining SDF copies with MG 6.5 for a long time, and I am
looking forward to managing the data in a DBMS instead.  

I'm going to have to do some benchmarks and see whether the
convenience/security outweighs the performance...

Jason

-----Original Message-----
From: Traian Stanev [mailto:traian.stanev at autodesk.com] 
Sent: Friday, December 15, 2006 08:53
To: users at mapguide.osgeo.org
Subject: RE: [mapguide-users] Guestion about Spatial Data v SHP,SDF your
opinion pleas.


Sure, everything is possible (as long as it doesn't violate a
conservation law I guess).

As far as filters go, you can always generate a filtered SDF and have
better perfromance. That's assuming the data is static, which I already
stated in my initial email.


Traian
 

-----Original Message-----
From: Jason Birch [mailto:Jason.Birch at nanaimo.ca]
Sent: Friday, December 15, 2006 11:45 AM
To: users at mapguide.osgeo.org
Subject: RE: [mapguide-users] Guestion about Spatial Data v SHP,SDF your
opinion pleas.

Traian,

I understand that SHP/SDF are a lot quicker for raw feature access and
spatial operations, but is it possible that RDBMS data stores would work
faster with filtered data sets, or with attribute-based queries when
proper indices have been set up?

Jason

-----Original Message-----
From: Traian Stanev [mailto:traian.stanev at autodesk.com]
Sent: Friday, December 15, 2006 07:58
To: users at mapguide.osgeo.org
Subject: RE: [mapguide-users] Guestion about Spatial Data v SHP,SDF your
opinion pleas.



One considerations is that it's much faster to access SHP or SDF files.
So if you are serving static data via a Mapguide server to many users,
it's better to store it as SDF or SHP (at least for the purposes of
MapGuide).

However, there are many other factors that would affect the choice of
data store, depending on what you need to do with the data.


 Traian


-----Original Message-----
From: Maciej Skorczewski [mailto:maciej.skorczewski at procad.pl]
Sent: Thursday, December 14, 2006 2:26 PM
To: users at mapguide.osgeo.org
Subject: [mapguide-users] Guestion about Spatial Data v SHP,SDF your
opinion pleas.

Hi all!

My guestion is what is a different between data stored in Spatial Data v
SHP or SDF file?


What abilities are beetwen this 2 data store option.
What is best for mapguide server?
What can you say about PostgresSql v Oracle (did you use PostgreSQL in
small project - it is cheaper for me :) What solution  have more
opportunities? (or it is only way to store date and MG Server don't make
any different)

I wait for all opinion.

thx.
  ps. wher can i read more about this topic?

--
Maciej

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