Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>Database - Fundamentals

40 interview questions on Database - Fundamentalsfor developers (2026)

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

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
3889
To review
10
40 questions
Expert
8 votes961 runs1 comment

How to obtain the surname and first name of people running more than 10 units?

Data Scientist
database
projection
selection
Anonymous authorat Mar 28, 2022
Medium
5 votes806 runs1 comment

Which entity provides the legal framework supervising databases in France?

Data Scientist
database
france
Anonymous authorat Sep 19, 2022
Expert
4 votes872 runs
1 comment

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

Data Scientist
database
functional dependencies
Anonymous authorat Mar 28, 2022
Expert
4 votes810 runs
1 comment

What is GDPR?

Data Scientist
data
regulation
Anonymous authorat Sep 19, 2022
Easy
4 votes711 runs0 comment

What type of constraint was violated?

Data Scientist
database
primary key
uniqueness
Anonymous authorat Sep 19, 2022
Medium
3 votes742 runs0 comment

The decomposition normalization algorithm is?.

Data Scientist
database
normalization
Anonymous authorat Sep 19, 2022
Expert
2 votes676 runs0 comment

What happens when you make the same transaction several times?

Data Scientist
database
transactions
Anonymous authorat Sep 19, 2022
Easy
1 vote698 runs0 comment

What is a database?

Data Scientist
data
storage
Anonymous authorat Sep 19, 2022
Expert
1 vote664 runs0 comment

Properties of an elementary functional dependency X$ ightarrow$Y

Data Scientist
database
functional dependency
Anonymous authorat Sep 19, 2022
Medium
1 vote649 runs0 comment

What is the problem with a Cartesian product of tables?

Data Scientist
database
joins
Anonymous authorat Mar 28, 2022
Hard
1 vote205 runs0 comment

Find the minimum number of functional dependencies to be removed in order to achieve a non redundant coverage.

Data Scientist
database
functional dependencies
Anonymous authorat Mar 28, 2022
Medium
1 vote87 runs1 comment

What type of constraint was violated?

Data Scientist
database
constraint
Anonymous authorat Mar 17, 2023
Hard
0 vote690 runs0 comment

Which of these propositions can be types of constraints in a database?

Data Scientist
database
constraints
Anonymous authorat Sep 19, 2022
Expert
0 vote679 runs0 comment

Get all the names from the table E={(Name), (first name), time}.

Data Scientist
database
projection
Anonymous authorat Sep 19, 2022
Medium
0 vote653 runs0 comment

What is a Table in a database?

Data Scientist
database
table
Anonymous authorat Sep 19, 2022
Medium
0 vote650 runs0 comment

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

Data Scientist
database
cardinality
Anonymous authorat Mar 28, 2022
Expert
0 vote648 runs0 comment

Find the normal form of the relation {a -> b; c -> a, d, e; f -> a}.

Data Scientist
database
normal form
Anonymous authorat Mar 28, 2022
Easy
0 vote647 runs0 comment

How is a database managed with?

Data Scientist
database
management
Anonymous authorat Mar 28, 2022
Easy
0 vote645 runs0 comment

A relation must contain at least one key

Data Scientist
database
relation
Anonymous authorat Mar 28, 2022
Easy
0 vote637 runs0 comment

Given a table E={(Name), (first name), time} representing the time for a race, what type of constraint was violated?

Data Scientist
database
constraints
Anonymous authorat Mar 28, 2022