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PODb4O activation depth, Faq, Best Practise for Web Application
 

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    <p>Our database includes 4,000,000 records (sql server) and it's physical size is 550 MB . Entities in database are related each other as graph style. When i load an entity from db with 5 level depth there is a problem (all records are loaded). </p> <ul> <li>Is there any mechanism like Entity Framework( Include("MyProperty.ItsProperty"))</li> </ul> <p>What is the best Types for using with db4O databases?</p> <ul> <li><p>Is there any issue for Guid, Generic Collections? </p></li> <li><p>Is there any best practise for WebApplication with db4o? Session Containers+EmbeddedDb4ODb or Client/ServerDb4O?</p></li> </ul> <p>Thx for help..</p> <p>Thx for good explanation. But i want to give my exact problem as a sample: I have three entities: (N-N relationship. B is an intersection Entity. Concept:Graph) </p> <pre><code> class A { public B[] BList; public int Number; public R R; } class B { public A A; public C C; public D D; public int Number; } class C { public B[] BList; public E E; public F F; public int Number; }</code></pre> <p>I want to query dbContext.A.Include("BList.C.BList.A").Include("BList.C.E.G").Where(....) </p> <pre> I want to get :A.BList.C.BList.A.R But I dont want to get :A.R I want to get :A.BList.C.E.G But I dont want to get :A.BList.C.F I want to get :A.BList.C.E.G But I dont want get :A.BList.D </pre> <p>Note:this requirements can change a query to another query</p> <p>Extra question is there any possibility to load A.BList[@Number&lt;120].C.BList.A[@Number>100] Super syntax :)</p>
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