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

7 votes833 runs1 comment

4 votes701 runs

4 votes700 runs1 comment

3 votes638 runs0 comment

normalization

3 votes623 runs0 comment

2 votes760 runs0 comment

functional dependencies

2 votes584 runs0 comment

transactions

1 vote611 runs0 comment

1 vote560 runs0 comment

1 vote184 runs0 comment

functional dependencies

1 vote81 runs1 comment

0 vote593 runs0 comment

0 vote586 runs0 comment

0 vote573 runs0 comment

functional dependency

0 vote567 runs0 comment

0 vote563 runs0 comment

0 vote563 runs0 comment

0 vote562 runs0 comment

0 vote561 runs0 comment

0 vote555 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?

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 a database?

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}.

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?