40 interview questions for developers (2025)

7 votes893 runs1 comment

4 votes813 runs0 comment

functional dependencies

4 votes753 runs

4 votes751 runs1 comment

3 votes687 runs0 comment

normalization

3 votes665 runs0 comment

2 votes628 runs0 comment

transactions

1 vote652 runs0 comment

1 vote617 runs0 comment

functional dependency

1 vote602 runs0 comment

1 vote196 runs0 comment

functional dependencies

1 vote85 runs1 comment

0 vote639 runs0 comment

0 vote630 runs0 comment

0 vote609 runs0 comment

0 vote604 runs0 comment

0 vote602 runs0 comment

0 vote601 runs0 comment

0 vote601 runs0 comment

0 vote592 runs0 comment

40 interview questionsfor developers (2025)

Test your developer skills before an interview with 40 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

40 interview questionsfor developers (2025)

Test your developer skills before an interview with 40 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

How to obtain the surname and first name of people running more than 10 units?

Find the keys of the following functional dependencies: a, b -> c a, b, d -> e c -> a, b d -> f e -> g

What is GDPR?

Which entity provides the legal framework supervising databases in France?

The decomposition normalization algorithm is?.

What type of constraint was violated?

What happens when you make the same transaction several times?

What is a database?

Properties of an elementary functional dependency X$ ightarrow$Y

What is the problem with a Cartesian product of tables?

Find the minimum number of functional dependencies to be removed in order to achieve a non redundant coverage.

What type of constraint was violated?

Which of these propositions can be types of constraints in a database?

Get all the names from the table E={(Name), (first name), time}.

What is a Table in a database?

What does the bond 0..* mean in a database?

How is a database managed with?

Find the normal form of the relation {a -> b; c -> a, d, e; f -> a}.

A relation must contain at least one key

Given a table E={(Name), (first name), time} representing the time for a race, what type of constraint was violated?