http://blogs.msdn.com/b/dsimmons/archive/2007/12/20/why-are-data-centric-web-services-so-hard-anyway.aspxLet’s say I’ve got a database and even some decent technology to help me to handle persistence between that database and my business objects which create a nice abstraction over the data and enforce validation. I’ve also got clients (maybe rich apps,en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/dsimmons/archive/2007/12/20/why-are-data-centric-web-services-so-hard-anyway.aspx#8846240Sun, 10 Aug 2008 11:23:08 GMT91d46819-8472-40ad-a661-2c78acb4018c:8846240system.data.objects dev guy<p>Part of the Entity Framework FAQ . 9. Object Services 9.1. What is ObjectContext.Detach() method used</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=8846240" width="1" height="1">http://blogs.msdn.com/b/dsimmons/archive/2007/12/20/why-are-data-centric-web-services-so-hard-anyway.aspx#8591599Wed, 11 Jun 2008 19:22:17 GMT91d46819-8472-40ad-a661-2c78acb4018c:8591599江南白衣<p>The Entity Framework enables developers to reason about and write queries in terms of the EDM model rather than the logical schema of tables, joins, foreign keys, and so on. Many enterprise systems have multiple applications/databases with varying degrees</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=8591599" width="1" height="1">http://blogs.msdn.com/b/dsimmons/archive/2007/12/20/why-are-data-centric-web-services-so-hard-anyway.aspx#8502887Wed, 14 May 2008 10:54:57 GMT91d46819-8472-40ad-a661-2c78acb4018c:8502887Orcus<p>No argument here; Business logic evaluation and creation of plain data is generally dependent and linked to a version of a graph of meta data. &nbsp;</p> <p>Old pattern would have been read locks and foreign keys.</p> <p>With optimistic concurrent CRUD you would need lossless meta data versioning and determinism of the meta data version for plain data.</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=8502887" width="1" height="1">http://blogs.msdn.com/b/dsimmons/archive/2007/12/20/why-are-data-centric-web-services-so-hard-anyway.aspx#6814193Thu, 20 Dec 2007 10:08:31 GMT91d46819-8472-40ad-a661-2c78acb4018c:6814193Noticias externas<p>In my last post I started a survey of problems with building data-centric web services. When we left</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=6814193" width="1" height="1">http://blogs.msdn.com/b/dsimmons/archive/2007/12/20/why-are-data-centric-web-services-so-hard-anyway.aspx#6814111Thu, 20 Dec 2007 09:47:43 GMT91d46819-8472-40ad-a661-2c78acb4018c:6814111system.data.objects dev guy<p>In my last post I started a survey of problems with building data-centric web services. When we left</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=6814111" width="1" height="1">