DbContext is very slow when adding and deleting

Question

When using DbContext in a database-first scenario I found out that adding and deleting entities is very slow compared to ObjectContext. If adding 2000 entities and saving th

Answer 1

In EF6 you can now use AddRange and RemoveRange on DbSet.

From to the documentation on the links:

Note that if AutoDetectChangesEnabled is set to true (which is the default), then DetectChanges will be called once before {adding,deleting} any entities and will not be called again. This means that in some situations {Add,Remove}Range may perform significantly better than calling {Add,Remove} multiple times would do.