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

6 votes813 runs1 comment

4 votes683 runs

3 votes682 runs1 comment

3 votes622 runs0 comment

normalization

3 votes607 runs0 comment

2 votes741 runs0 comment

functional dependencies

2 votes568 runs0 comment

transactions

1 vote544 runs0 comment

1 vote181 runs0 comment

functional dependencies

1 vote81 runs1 comment

0 vote595 runs0 comment

0 vote577 runs0 comment

0 vote570 runs0 comment

0 vote557 runs0 comment

functional dependency

0 vote551 runs0 comment

0 vote547 runs0 comment

0 vote547 runs0 comment

0 vote546 runs0 comment

0 vote545 runs0 comment

0 vote539 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 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?