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

7 votes900 runs1 comment

4 votes817 runs0 comment

functional dependencies

4 votes757 runs

4 votes755 runs1 comment

3 votes690 runs0 comment

normalization

3 votes668 runs0 comment

2 votes631 runs0 comment

transactions

1 vote655 runs0 comment

1 vote620 runs0 comment

functional dependency

1 vote605 runs0 comment

1 vote196 runs0 comment

functional dependencies

1 vote85 runs1 comment

0 vote642 runs0 comment

0 vote633 runs0 comment

0 vote612 runs0 comment

0 vote607 runs0 comment

0 vote605 runs0 comment

0 vote604 runs0 comment

0 vote604 runs0 comment

0 vote595 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?

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?