40 interview questions on Database - Fundamentals for developers (2025)

7 votes848 runs1 comment

4 votes714 runs

4 votes713 runs1 comment

3 votes773 runs0 comment

functional dependencies

3 votes650 runs0 comment

normalization

3 votes634 runs0 comment

2 votes596 runs0 comment

transactions

1 vote623 runs0 comment

1 vote585 runs0 comment

functional dependency

1 vote573 runs0 comment

1 vote186 runs0 comment

functional dependencies

1 vote82 runs1 comment

0 vote606 runs0 comment

0 vote598 runs0 comment

0 vote579 runs0 comment

0 vote575 runs0 comment

0 vote574 runs0 comment

0 vote574 runs0 comment

0 vote573 runs0 comment

0 vote566 runs0 comment

40 interview questions on Database - Fundamentalsfor developers (2025)

Test your technical skills before an interview of Database - Fundamentals with 40 corrected questions. Beginner, Intermediate or Expert level.

40 interview questions on Database - Fundamentalsfor developers (2025)

Test your technical skills before an interview of Database - Fundamentals with 40 corrected questions. 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?

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

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?

A relation must contain at least one key

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?