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ORM

Hi,
Any one used any Object relational Mappings(ORM) in your projects? Anyone
have idea of which ORM is better?
Regards,
P.Nishanthan
Nov 17 '05 #1
6 2081
Nishanthan <np**********@virtusa.com> wrote:
Any one used any Object relational Mappings(ORM) in your projects? Anyone
have idea of which ORM is better?


I've used Hibernate in a Java project. There are a few rough edges, but
it's generally great. It's certainly worth at least looking at
NHibernate, although I suspect it's a way behind its "big brother". One
important thing (at least for us - it depends on the nature of your
project) is to look closely at the SQL produced to make sure it's not
pulling in a load of stuff you don't need.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too
Nov 17 '05 #2
Nishanthan wrote:
Hi,
Any one used any Object relational Mappings(ORM) in your projects? Anyone
have idea of which ORM is better?
Regards,
P.Nishanthan

I use DevExpress eXpress Persistent Objects (Xpo) a lot. They have their
limitations but generally they work really good..

--
Lasse Vågsæther Karlsen
http://www.vkarlsen.no/
mailto:la***@vkarlsen.no
PGP KeyID: 0x2A42A1C2
Nov 17 '05 #3
"Nishanthan" <np**********@virtusa.com> wrote in message
news:u3*************@tk2msftngp13.phx.gbl...
Hi,
Any one used any Object relational Mappings(ORM) in your projects? Anyone
have idea of which ORM is better?
Regards,
P.Nishanthan


With .NET3.0 and LINQ I think ORM systems will become obsolete.
However, Hibernate is an excellent framework.

- Michael S
Nov 17 '05 #4
it's not that ORM will be obsolete. everyone will start using DLinq,
Microsoft's ORM solution instead. and other ORM solutions will
continue to exist, they will all support Linq syntax.

Michael S wrote:
"Nishanthan" <np**********@virtusa.com> wrote in message
news:u3*************@tk2msftngp13.phx.gbl...
Hi,
Any one used any Object relational Mappings(ORM) in your projects? Anyone
have idea of which ORM is better?
Regards,
P.Nishanthan


With .NET3.0 and LINQ I think ORM systems will become obsolete.
However, Hibernate is an excellent framework.

- Michael S


Nov 17 '05 #5
Michael S <a@b.c> wrote:
With .NET3.0 and LINQ I think ORM systems will become obsolete.
I assume you mean that *other* ORM systems will become obsolete, as
DLINQ is essentially an ORM system in itself.

I would say that they'll only become obsolete if:
a) .NET 3.0 comes out early enough that people don't have a large stake
in the existing systems.
b) It's actually *better* than the existing systems. This shouldn't be
taken as a given, especially as separate frameworks are likely to be
able to evolve an awful lot quicker than the .NET framework itself.
However, Hibernate is an excellent framework.


Agreed.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too
Nov 17 '05 #6
Daniel Jin wrote:
it's not that ORM will be obsolete. everyone will start using DLinq,
Microsoft's ORM solution instead. and other ORM solutions will
continue to exist, they will all support Linq syntax.
I doubt 'everyone' will start using DLinq. For starters, a lot of
developers out there simply believe in tables/raw sql and don't grasp
for whatever reason the object oriented view of a relational model
presented by an O/R mapper.

FB

Michael S wrote:
"Nishanthan" <np**********@virtusa.com> wrote in message
news:u3*************@tk2msftngp13.phx.gbl...
Hi,
Any one used any Object relational Mappings(ORM) in your
projects? Anyone have idea of which ORM is better?
Regards,
P.Nishanthan


With .NET3.0 and LINQ I think ORM systems will become obsolete.
However, Hibernate is an excellent framework.

--
------------------------------------------------------------------------
Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
My .NET blog: http://weblogs.asp.net/fbouma
Microsoft MVP (C#)
------------------------------------------------------------------------
Nov 17 '05 #7

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