Re: The wisdom of the object mentors (Was: Searching OO Associations with RDBMS Persistence Models)

From: Robert Martin <>
Date: Tue, 20 Jun 2006 14:27:47 -0400
Message-ID: <2006062014274758821-unclebob_at_objectmentorcom>

On 2006-06-13 11:55:22 -0400, said:

> Both schema and application changes all the time (called versions). But
> as long as you can not produce one single resonable example of a schema
> change that will not change any part of the application outside the
> "persistence" layer, it is a little bit difficult to understand why I
> should partion my application from the SQL statements.

Adding the birthdate column to an employee record should have no effect on the modules that calculate his pay.

Robert C. Martin (Uncle Bob)  | email:
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Received on Tue Jun 20 2006 - 20:27:47 CEST

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