2026

Entity Framework Interview Questions 2026

A current, 2026 snapshot of the Entity Framework interview questions worth knowing — kept up to date as frameworks and best practices evolve, so you prepare with what companies are actually asking in 2026.

60Questions14Beginner13Intermediate33Senior

60 Entity Framework questions

  1. 1How do Transactions work in EF Core?Intermediate
  2. 2What is a Shadow Property in EF Core?Intermediate
  3. 3Explain Concurrency Tokens and how to handle concurrency conflicts.Intermediate
  4. 4What is a Global Query Filter?Intermediate
  5. 5How do you configure a Many-to-Many relationship in EF Core?Intermediate
  6. 6How do you configure a One-to-Many relationship using Fluent API?Intermediate
  7. 7Explain AsNoTracking and when to use it.Intermediate
  8. 8What is Explicit Loading in EF Core?Intermediate
  9. 9How does Change Tracking work in EF Core?Intermediate
  10. 10What is the Fluent API and how does it compare to Data Annotations?Intermediate
  11. 11How do you execute raw SQL queries in EF Core?Beginner
  12. 12What is the difference between IEnumerable and IQueryable in EF?Beginner
  13. 13What are Data Annotations?Beginner
  14. 14What is the difference between Eager Loading and Lazy Loading?Beginner
  15. 15What are Migrations in EF Core?Beginner
  16. 16How do you perform basic CRUD operations in EF Core?Beginner
  17. 17What is a DbSet?Beginner
  18. 18What is a DbContext in EF Core?Beginner
  19. 19What is the difference between Code-First and Database-First approaches?Beginner
  20. 20What is Entity Framework Core (EF Core)?Beginner
  21. 21Entity Framework Interview Question 2 (Free)Intermediate
  22. 22Entity Framework Interview Question 5 (Free)Intermediate
  23. 23Entity Framework Interview Question 4 (Free)Beginner
  24. 24Entity Framework Interview Question 3 (Free)Senior
  25. 25Entity Framework Interview Question 1 (Free)Beginner
  26. 26Explain the implications of Client vs Server Evaluation in EF Core.Senior
  27. 27How do you use Query Tags to debug EF Core performance?Senior
  28. 28How do you customize Migration history table and schema?Senior
  29. 29Explain the usage of Owned Entity Types (Value Objects in DDD).Senior
  30. 30What are the best practices for managing EF Core Migrations in CI/CD pipelines?Senior
  31. 31How do you resolve DbContext threading issues (InvalidOperationException)?Senior
  32. 32Explain JSON Column mapping in EF Core 7+.Senior
  33. 33How does EF Core query translation work under the hood?Senior
  34. 34How to unit test EF Core applications effectively (In-Memory vs SQLite vs Testcontainers)?Senior
  35. 35What is the difference between Add vs Attach vs Update in detached scenarios?Senior
  36. 36How do you handle distributed transactions (Saga/2PC) involving EF Core?Senior
  37. 37Explain the implementation and performance of ExecuteUpdate and ExecuteDelete (EF Core 7+).Senior
  38. 38How to implement Soft Delete using Global Query Filters?Senior
  39. 39What is EF Core Database Provider architecture?Senior
  40. 40How to optimize Batch Inserts/Updates (Bulk Operations) in EF Core 7+?Senior
  41. 41Explain DbContext Pooling and its performance benefits.Senior
  42. 42How do you map an entity to a View or Stored Procedure in EF Core?Senior
  43. 43What are Value Conversions in EF Core?Senior
  44. 44How to implement Auditing automatically in EF Core?Senior
  45. 45How do you use Table-per-Hierarchy (TPH) vs Table-per-Type (TPT)?Senior
  46. 46Explain Keyless Entity Types and their limitations.Senior
  47. 47How to handle multi-tenancy in EF Core?Senior
  48. 48What are Split Queries and when should you use them?Senior
  49. 49How does Database First work in modern EF Core (Scaffolding)?Senior
  50. 50Explain EF Core Interceptors and their use cases.Senior
  51. 51How do you handle N+1 query problems in EF Core?Senior
  52. 52How to implement the Repository and Unit of Work patterns with EF Core? (Pros/Cons)Senior
  53. 53What is Compiled Models in EF Core and how does it improve startup time?Senior
  54. 54Explain Connection Resiliency and Execution Strategies in EF Core.Senior
  55. 55How do you optimize EF Core performance for large datasets?Senior
  56. 56Entity Framework Advanced Interview Question 10Beginner
  57. 57Entity Framework Advanced Interview Question 9Senior
  58. 58Entity Framework Advanced Interview Question 8Intermediate
  59. 59Entity Framework Advanced Interview Question 7Beginner
  60. 60Entity Framework Advanced Interview Question 6Senior

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Frequently asked questions

Are these Entity Framework interview questions up to date for 2026?

Yes. This page reflects 60 Entity Framework interview questions kept current with today's frameworks, tooling and interview trends, with each answer maintained and dated.

What Entity Framework topics should I focus on in 2026?

Prioritise the fundamentals plus the modern patterns interviewers ask about now. Each question here includes a detailed answer, code example and common mistakes so you can target the highest-impact areas.

Are these questions free?

You can read the question and a short answer for free. A subscription unlocks the full detailed explanation, real-world example, common mistakes and follow-up questions for each one.