ODBMS

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Fici - 12 Jun 2007 08:22 GMT

hi all,
I'm lucky because I'm starting a new java project (I don't have legacy
problems!).
I wound try a new repository solution so I'm finding information about
object DBMS (commercial or free products)!
can you help me? Have you tried some ODBMS?
tk.

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Lew - 12 Jun 2007 15:35 GMT

> hi all,
> I'm lucky because I'm starting a new java project (I don't have legacy
> problems!).
> I wound try a new repository solution so I'm finding information about
> object DBMS (commercial or free products)!
> can you help me? Have you tried some ODBMS?

In my personal opinion ODMBS is an attempt to bring back network-model data
base systems, which gave way to relational data base systems for good reason.

I prefer to use a good RDBMS like PostgreSQL and put my object model in my
Java code. There is a ton[ne] of power in the relational model, but of
course, it takes separate effort to develop skills in that arena on top of
one's object-oriented techniques. Lots of effort, maybe, but very well invested.

I suggest sticking with an RDBMS mediated by SQL in a DAO layer, but YMMV.

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Lew

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Arne Vajhøj - 13 Jun 2007 03:23 GMT

> I'm lucky because I'm starting a new java project (I don't have legacy
> problems!).
> I wound try a new repository solution so I'm finding information about
> object DBMS (commercial or free products)!
> can you help me? Have you tried some ODBMS?

I have not tried it, but http://www.db4o.com/community/
seems as a possibility.

Arne

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tetyana.loskutova@gmail.com - 13 Jun 2007 10:17 GMT

> hi all,
> I'm lucky because I'm starting a new java project (I don't have legacy
[quoted text clipped - 3 lines]
> can you help me? Have you tried some ODBMS?
> tk.

Hi Fici!
I would suggest you to read about db4o in comparison to RDBMS here
first:
http://developer.db4o.com/Resources/view.aspx/Reference/Basic_Concepts/Database_
Models
And especially this article:
http://developer.db4o.com/Resources/view.aspx/Reference/Basic_Concepts/Database_
Models/Object_And_Relational_Model_Comparison/RDBMS_And_OODBMS_Application
in order to understand if db4o is right for you

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Fici - 13 Jun 2007 13:51 GMT

thanks all,
I know I can use a RDBMS with a persistent layer to map my object,
but I want to find out if somebody have used same ODBMS products.

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