I\'m working on a datamodel that has a set of types that share some common fields such as Id, Name, Description. To be more concrete:
I\'m using Entity Framework 4.1\'s code first approach to map a class hierarchy to a series of tables.
I have a pretty straight forward set of database tables, like: Vehicle Id RegNo Car Id (FK of Vehicle.Id)
I have a model with TPT inheritance. Location (abstract) Street (derived from Location) GoogleStreetView (1 Street -> 0..1 GoogleStreetView)
I have a TPT scenario in EF4 with an abstract base class. I need to wite a linq query against a collection of children types to get the value from a field of one type of parent.
I\'ve been strugglin开发者_JAVA百科g for a little while with the following issue using EF4 and SQLite ADO.NET provider:
I am trying to write a project using the code-first approach and I have run into t开发者_Python百科he following problem
I\'ve got a Patient entity (storing up-to-date information about a patient) and a TreatmentPlanPatient entity (a copy of a patient\'s date as it was when the \"treatment plan\", another entity not rel
I\'m trying to convert an xml Entity Framework model to Code First (CTP5) one. I have to model a hierarchy which fits quite well the TPT pattern.
So it turns out that I am the last person to discover the fundamental floor that exists in Microsoft\'s Entity Framework when implementing TPT (Table Per Type) inheritance.
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