From The DepthsMatt Thalman's BlogMetadata Mapping in O-R Mapping Technology- February 25, 2004 In my previous post I described the benefits of using Object-Relational Mapping (O-R Mapping) technology in regards to the encapsulation of change. In this post and several subsequent posts I'm going to delve into some of the basic designs used in O-R Mapping technology. The first deals with the actual mechanism of mapping objects to relational tables and object fields to table columns. Most commercial O-R Mapping products use metadata mapping as the mechanism that...http://blogs.msdn.com/mthalman/archive/2004/02/25/80022.aspx Object-Relational Mapping Systems Encapsulate Change- February 20, 2004 Why have an object-relational mapping (ORM) system Because change happens. There's no getting around it. I'll concede that ORM would not be necessary if you built a piece of software or data source which never had to be updated, extended, customized, upgraded, or have a new technology adopted. Such a piece of software, of course, wouldn't last too long. At its core, ORM is a separation of concerns in relation to the application that uses...http://blogs.msdn.com/mthalman/archive/2004/02/20/77315.aspx Welcome - From the Depths- February 20, 2004 Intro Welcome to my blog from the depths of Microsoft. While I am as low as you can go in the org chart in that I have no one reporting to me, that doesn't make my role any less important. I am a software design engineer in the Developer Division (DevDiv) at Microsoft working on the Microsoft Business Framework. In the 1.x versions of Microsoft Business Framework I worked on the Entity Persistence team which is an object-relational mapping subsystem. This allows you to...http://blogs.msdn.com/mthalman/archive/2004/02/20/77037.aspx |