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Editorial Team
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Asked: 2026-06-04T17:37:27+00:00

I am using EF with TPC and I have a multiple inheritance lets say

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I am using EF with TPC and I have a multiple inheritance lets say I have

Employee (abstract)

Developer (inherits from Employee)

SeniorDeveloper (inherits from Developer)

I inserted some rows in the database and EF reads them correctly.

BUT
When I insert a new SeniorDeveloper, the values get written to the SeniorDeveloper AND Developer database table, hence querying just the Developers (context.Employees.OfType()) also gets the recently added SeniorDevelopers.

Is there a way to tell EF, that it should store only in one table, or why does EF fall back to TPT strategy?

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1 Answer

  1. Editorial Team

    Since it doesn’t look like EF supports the multiple inheritance with TPC, we ended up using TPC for Employee to Developer and TPT between Developer and SeniorDeveloper…

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