What is the primary purpose of an ORM?

10Dec/082

What is the primary purpose of an ORM?

ORM stands for Object-Relational Mapper. It’s mostly used to define a relationship between an object/class and the database table where it’s data should be saved.

I asked the question on Twitter/Facebook “The primary purpose of an ORM is to decouple the domain model from the database schema. True || False? Discuss.” and got some interesting answers.

What do you think the primary purpose of an ORM is?

Filed under: General Leave a comment

http://www.thomaschristensen.com Thomas Christensen

Vendor lock-in (or as we say here: competition-free after sale). I’ve seen a more than a couple of homemade ORM-frameworks that made it close to impossible to get rid of the software house that made them.

Another problem I see (I’m a technical consultant for the clients) is ORM’s used to make the rdb “go away” resulting in not using the rdb’s strengths. Young programmers don’t know SQL…
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