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POLINQ to SQL architecture. What is best?
 

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    <p>This question is sort of a pool. We are trying to identify the best archtecture while using a ORM like LINQ to SQL. The archture we are defining is for sort of framework that other applications will access either trough directly referencing the DLL or through a webservice. We have .NET apps and PHP apps.</p> <p>The possibilities are:</p> <p>Multiple data contexts: Separting the database into units of work and create separate contexts for each one.</p> <p>Pros:</p> <ul> <li>Easy of use</li> <li>Classes will be broken into different namespaces</li> <li>Smaller domain to maintain</li> </ul> <p>Cons:</p> <ul> <li>Objects have to be duplicated if related, creating maintenance hell</li> <li>Objects cannot be passed between context, creating the need for another hit on the data base</li> </ul> <p>Single data context: All tables, views, procedures, reside in the same huge context.</p> <p>Pros:</p> <ul> <li>No duplication</li> <li>Relationships are easy to manage, basicaly the LINQ takes care of it.</li> <li>Better performance, less hits on the DB.</li> </ul> <p>Cons:</p> <ul> <li>All tables are in the same namespace, code completion becomes nuts</li> <li>Not the best for the designer (at least on VS2008)</li> <li>Cannot be selective in what to save and what not. Save all, or delete all mode.</li> </ul> <p>Well this are things that came up to my mind, so if have any other pros or cons, please tell me and I will include them in the post. Also pick your best one.</p> <p>Thanks all</p>
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    1. COAlso, EF - but highly related: http://stackoverflow.com/questions/1028739/should-i-create-a-ado-net-entity-data-model-for-each-table-or-one-for-my-entire
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