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Asked: 2026-05-13T20:13:25+00:00

Question: Until now, I didn’t know LINQ was an ORM tool. I always saw

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Question: Until now, I didn’t know LINQ was an ORM tool. I always saw it as some new kind of SQL query language. So I very recently started using nHibernate.

So my question:
What would be the advantages and disadvantages of LINQ in comparison to nHibernate?

As far as I found out, the differences are that LINQ requires .NET > 2.0 (unless you hack it, which is unsafe and illegal), while nHibernate works with >=2.0.

And that for LINQ, you need to have a vendor/3rd party LINQ provider dll if you don’t use MS-SQL.

What I don’t know in particular is which one is faster/easier, and whether there are LINQ providers for all databases supported by nHibernate, and how well LINQ works with mono.

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  1. Editorial Team

    Linq isn’t an ORM tool. Linq2Sql and the Entity framework are Microsoft ORM tools using Linq. I found this article comparing NHibernate to Entity Framework 4,0 quite enlightening.

    To summarise: NHibernate, is long established and tested and Fluent is a joy to use. Unfortunately NHibernate suffers in the documentation dept, but is OS so you can dig into the code.
    EF 1.0 was horrendous, but 4.0 is much better. It’s a MS product so is heavily evangelised, supported and there are many examples out on the web. 4.0 is still beta for now.

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