Entity Framework Job Interview Questions

Do you use your Entity Framework models in API controllers?

Entity Framework Senior
What are POCO classes in Entity Framework?

Entity Framework Senior
Why would you recommend a company to use Entity Framework?

Entity Framework Senior
What Entity Framework versions did you use?

Entity Framework Senior
What is a server evaluation and client evaluation in Entity Framework and why should you know about it?

Entity Framework Senior
Using Entity Framework, how do you check if a row exists in a database?

Entity Framework Senior
How do you handle SQL injection attacks in Entity Framework?

Entity Framework Senior
When are queries executed when you use Entity Framework?

Entity Framework Senior
Which types of loading do you know and which type of loading is good in which scenario in Entity Framework?

Entity Framework Senior
Using Entity Framework, when will you prefer to use Code First and when Database First approach? Why?

Entity Framework Mid-level
What is a difference between Database First and Code First approach in Entity Framework?

Entity Framework Mid-level
What is the use of .AsNoTracking() method?

Entity Framework Mid-level
What is Code First approach in Entity Framework?

Entity Framework Mid-level
Using Entity Framework, how can you disable an object property from being mapped to a database entity column?

Entity Framework Mid-level
What happens when you insert multiple rows using Entity Framework?

Entity Framework Mid-level
How do you insert multiple rows in Entity Framework?

Entity Framework Junior
Can you list a few methods of DbContext object in Entity Framework?

Entity Framework Mid-level
What are advantages of Entity Framework over ADO.NET?

Entity Framework Mid-level
What is a difference between dbContext.Orders.First() and dbContext.Orders.Single() in Entity Framework?

Entity Framework Mid-level
How do you make Entity Framework to return only specific columns from the database instead of all table columns?

Entity Framework Mid-level
A colleague is showing you a code that has an Entity Framework query in a foreach loop. What will you do?

Entity Framework Mid-level
You defined Entity Framework LINQ query. How can you find out the target SQL statement the query gets translated to?

Entity Framework Mid-level
What is N+1 problem in Entity Framework?

Entity Framework Senior
What is query splitting in Entity Framework and why would you use it?

Entity Framework Senior
What is include filtering in Entity Framework and why would you use it?

Entity Framework Senior
You use Entity Framework and were asked to insert one million records to a MS SQL database. How will you approach this task?

Entity Framework Senior
Would you recommend to register and resolve a DbContext using dependency injection container and what lifetime would you use for the registration?

Entity Framework Mid-level
What is change tracking in Entity Framework and why should you know about it?

Entity Framework Mid-level
How do you make sure that your Entity Framework data access layer is performant?

Entity Framework Junior
Using Entity Framework, how do you define that multiple nested entities should be eager loaded?

Entity Framework Junior
What is Include method in Entity Framework good for?

Entity Framework Junior
How can you test Entity Framework data access?

Entity Framework Junior
Using Entity Framework, how do you define mapping between an object properties and table columns?

Entity Framework Junior
You use Entity Framework in your application. What are the approaches that you can do to upgrade a database schema?

Entity Framework Junior
What is a DbSet in Entity Framework?

Entity Framework Junior
What is a DbContext in Entity Framework?

Entity Framework Junior
You do a code review and you see that the Entity Framework methods are used together with async keyword. Is it a good thing or bad thing and why?

Entity Framework Junior
What is materialization in Entity Framework and why should you know about it?

Entity Framework Junior
How can you monitor all queries that Entity Framework sends to a database server?

Entity Framework Junior
What are the performance challenges that you or your colleagues were facing when using Entity Framework?

Entity Framework Junior
How can you create multi-tenant applications using Entity Framework?

Entity Framework Junior
Can you describe a repository design pattern and how is it used together with Entity Framework?

Entity Framework Junior
Can you describe a unit of work design pattern and how is it used together with Entity Framework?

Entity Framework Mid-level
What is a navigation property in Entity Framework?

Entity Framework Junior
What advantage and disadvantage has eager loading and lazy loading in Entity Framework?

Entity Framework Junior
What is a difference between lazy loading and eager loading in Entity Framework?

Entity Framework Junior
What is a difference between Entity Framework and ADO.NET?

.NET Databases Entity Framework ORM Performance Mid-level

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