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

7 votes867 runs1 comment

4 votes732 runs

4 votes731 runs1 comment

3 votes791 runs0 comment

functional dependencies

3 votes666 runs0 comment

normalization

3 votes648 runs0 comment

2 votes610 runs0 comment

transactions

1 vote636 runs0 comment

1 vote599 runs0 comment

functional dependency

1 vote586 runs0 comment

1 vote190 runs0 comment

functional dependencies

1 vote84 runs1 comment

0 vote621 runs0 comment

0 vote612 runs0 comment

0 vote593 runs0 comment

0 vote587 runs0 comment

0 vote587 runs0 comment

0 vote587 runs0 comment

0 vote586 runs0 comment

0 vote578 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?

How is a database managed with?

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

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?