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
3919
To review
52
40 questions
Expert
8 votes985 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 votes824 runs1 comment

Which entity provides the legal framework supervising databases in France?

Data Scientist
database
france
Anonymous authorat Sep 19, 2022
Expert
4 votes893 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 votes830 runs
1 comment

What is GDPR?

Data Scientist
data
regulation
Anonymous authorat Sep 19, 2022
Easy
4 votes726 runs0 comment

What type of constraint was violated?

Data Scientist
database
primary key
uniqueness
Anonymous authorat Sep 19, 2022
Medium
3 votes762 runs0 comment

The decomposition normalization algorithm is?.

Data Scientist
database
normalization
Anonymous authorat Sep 19, 2022
Expert
2 votes693 runs0 comment

What happens when you make the same transaction several times?

Data Scientist
database
transactions
Anonymous authorat Sep 19, 2022
Easy
1 vote712 runs0 comment

What is a database?

Data Scientist
data
storage
Anonymous authorat Sep 19, 2022
Expert
1 vote680 runs0 comment

Properties of an elementary functional dependency X$ ightarrow$Y

Data Scientist
database
functional dependency
Anonymous authorat Sep 19, 2022
Medium
1 vote665 runs0 comment

What is the problem with a Cartesian product of tables?

Data Scientist
database
joins
Anonymous authorat Mar 28, 2022
Hard
1 vote213 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
1 vote45 runs0 comment

Normalization by synthesis algorithm is?.

Data Scientist
database
normalization
Anonymous authorat Mar 28, 2022
Hard
0 vote707 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 vote696 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 vote669 runs0 comment

What is a Table in a database?

Data Scientist
database
table
Anonymous authorat Sep 19, 2022
Expert
0 vote664 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
Medium
0 vote664 runs0 comment

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

Data Scientist
database
cardinality
Anonymous authorat Mar 28, 2022
Easy
0 vote661 runs0 comment

How is a database managed with?

Data Scientist
database
management
Anonymous authorat Mar 28, 2022
Easy
0 vote661 runs0 comment

A relation must contain at least one key

Data Scientist
database
relation
Anonymous authorat Mar 28, 2022