I’m not a database admin or architect, so I have to ask those who do it 24/7. How established is the concept of an ORM (object relational mapping) in the world of database administration and architecture? Is it still happening, widely approved but still in its early stages, or is generally disapproved? I’m learning this area and would like to get a feel for whether it’s going to be knowledge appreciated by the wider segment of this field.
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Widely used and definitely the present and near future. Database access through a handcoded layer of SQL generation was always fraught with drudgery and typos, and was unwieldy at best. ORMs let you use a persistence store in a programming way.
I thought this blog argued for it well: http://jonkruger.com/blog/category/fluent-nhibernate/ and SO posts like this (nHibernate versus LLBLGen Pro) show just how many people are using them.