I\'m looking for the fastest way of inserting into Entity Framework.
I\'m asking this because of the scenario where you have an active TransactionScope
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Here is a performance comparison between using Entity Framework and using SqlBulkCopy class on a realistic example: How to Bulk Insert Complex Objects into SQL Server Database
As others already emphasized, ORMs are not meant to be used in bulk operations. They offer flexibility, separation of concerns and other benefits, but bulk operations (except bulk reading) are not one of them.