Chapter 10.1.1. Who Needs ORM?
It turns out that accessing data through object models (at least in object-oriented programming languages) is a popular approach. It removes the cognitive dissonance between totally different paradigms, it allows developers to think about everything in terms of objects, and in many cases, it abstracts away the particular database implementation so that it’s easy to switch to another vendor. Many developers who don’t use an ORM solution end up doing the mapping manually. Typically, such developers will have a data access layer in their code that accesses the DB through SQL or another API and constructs an object model based on the results. Developing this manual ORM layer is a tedious and error-prone job. Any ...
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