Entity Framework job interview questions

QUESTION 1:

Using Entity Framework Core, how do you define which tables should be eager loaded?

Entity Framework Senior

QUESTION 2:

What is Cartesian Explosion in Entity Framework?

Entity Framework Senior

QUESTION 3:

What is N+1 query problem in Entity Framework and how to fix it?

Entity Framework Senior

QUESTION 4:

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

Entity Framework Senior

QUESTION 5:

Do you use your Entity Framework models in API controllers?

Entity Framework Senior

QUESTION 6:

What are POCO classes in Entity Framework?

Entity Framework Senior

QUESTION 7:

Why would you recommend a company to use Entity Framework?

Entity Framework Senior

QUESTION 8:

What Entity Framework versions did you use?

Entity Framework Senior

QUESTION 9:

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

Entity Framework Senior

QUESTION 10:

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

Entity Framework Senior

QUESTION 11:

How do you handle SQL injection attacks in Entity Framework?

Entity Framework Senior

QUESTION 12:

When are queries executed when you use Entity Framework?

Entity Framework Senior

QUESTION 13:

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

Entity Framework Senior

QUESTION 14:

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

Entity Framework Mid-level

QUESTION 15:

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

Entity Framework Mid-level

QUESTION 16:

What is the use of .AsNoTracking() method?

Entity Framework Mid-level

QUESTION 17:

What is Code First approach in Entity Framework?

Entity Framework Mid-level

QUESTION 18:

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

Entity Framework Mid-level

QUESTION 19:

What happens when you insert multiple rows using Entity Framework?

Entity Framework Mid-level

QUESTION 20:

How do you insert multiple rows in Entity Framework?

Entity Framework Junior

QUESTION 21:

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

Entity Framework Mid-level

QUESTION 22:

What are advantages of Entity Framework over ADO.NET?

Entity Framework Mid-level

QUESTION 23:

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

Entity Framework Mid-level

QUESTION 24:

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

Entity Framework Mid-level

QUESTION 25:

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

QUESTION 26:

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

Entity Framework Mid-level

QUESTION 27:

What is N+1 problem in Entity Framework?

Entity Framework Senior

QUESTION 28:

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

Entity Framework Senior

QUESTION 29:

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

Entity Framework Senior

QUESTION 30:

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

QUESTION 31:

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

QUESTION 32:

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

Entity Framework Mid-level

QUESTION 33:

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

Entity Framework Junior

QUESTION 34:

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

Entity Framework Junior

QUESTION 35:

What is Include method in Entity Framework good for?

Entity Framework Junior

QUESTION 36:

How can you test Entity Framework data access?

Entity Framework Junior

QUESTION 37:

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

Entity Framework Junior

QUESTION 38:

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

Entity Framework Junior

QUESTION 39:

What is a DbSet in Entity Framework?

Entity Framework Junior

QUESTION 40:

What is a DbContext in Entity Framework?

Entity Framework Junior

QUESTION 41:

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

QUESTION 42:

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

Entity Framework Junior

QUESTION 43:

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

Entity Framework Junior

QUESTION 44:

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

Entity Framework Junior

QUESTION 45:

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

Entity Framework Junior

QUESTION 46:

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

Entity Framework Junior

QUESTION 47:

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

Entity Framework Mid-level

QUESTION 48:

What is a navigation property in Entity Framework?

Entity Framework Junior

QUESTION 49:

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

Entity Framework Junior

QUESTION 50:

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

Entity Framework Junior

QUESTION 51:

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

.NETDatabasesEntity FrameworkORMPerformance Mid-level

Get questions by Job Ad URL Get questions by Job Ad Text

Are you wondering what questions will you get asked on your job interview?

Do you have a Job Ad URL address ?

Then we will predict the questions for you...

Get questions by Job Ad URL

Share the question, get the right answer
Submit the question you have been asked by a recruiter. We will give you the right answer.
Add a question

Recently added questions

Anonymous
tseet

Anonymous
test

Anonymous
e

Anonymous
Superrr

Anonymous
wup

Anonymous
🔥

Anonymous
nm

Anonymous
x

Anonymous
good

Anonymous
good

esmhli
hm

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e

LaceJaguar65
e