40 interview questions for developers (2025)

7 votes824 runs1 comment

4 votes692 runs

3 votes691 runs1 comment

3 votes630 runs0 comment

normalization

3 votes615 runs0 comment

2 votes751 runs0 comment

functional dependencies

2 votes576 runs0 comment

transactions

1 vote552 runs0 comment

1 vote182 runs0 comment

functional dependencies

1 vote81 runs1 comment

0 vote603 runs0 comment

0 vote585 runs0 comment

0 vote578 runs0 comment

0 vote565 runs0 comment

functional dependency

0 vote559 runs0 comment

0 vote555 runs0 comment

0 vote555 runs0 comment

0 vote554 runs0 comment

0 vote553 runs0 comment

0 vote547 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?

What is GDPR?

Which entity provides the legal framework supervising databases in France?

The decomposition normalization algorithm is?.

What type of constraint was violated?

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

What happens when you make the same transaction several times?

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?

What is a database?

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

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

Properties of an elementary functional dependency X$ ightarrow$Y

What is a Table in a database?

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

A relation must contain at least one key

How is a database managed with?

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

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