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Jonathan
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14Tests completed
317Questions completed
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Attended tests
IS Architecture
27% questions validées
1 test sessionLast activity : Sep 23, 2024
Java
21% questions validées
4 test sessionsLast activity : Sep 23, 2024
PostgreSQL
44% questions validées
1 test sessionLast activity : Sep 23, 2024
SQL
51% questions validées
3 test sessionsLast activity : Sep 23, 2024
Spring
6% questions validées
1 test sessionLast activity : Sep 23, 2024
API Design
56% questions validées
2 test sessionsLast activity : Sep 23, 2024
English
66% questions validées
1 test sessionLast activity : Jul 2, 2024
Cloud Computing
50% questions validées
1 test sessionLast activity : Apr 2, 2021
OOP
14% questions validées
1 test sessionLast activity : Apr 2, 2021
Git
13% questions validées
1 test sessionLast activity : Apr 2, 2021
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Profession : OtherFavorite technologies

Daily Challenge

21 August 2025
One question per day to improve your general code knowledge!
Today :SQL Data Design #7/9
Data
SQL
SQL Data Design
daily challenge
Leaderboard
1.
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koceila MELLLAZ430 points
2.
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Jody405 points
3.
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Michael400 points
4.
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Aurélien Lebray360 points
5.
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EL Mostafa Fadili325 points
101.
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Jonathan (You)0 points
Last leaderboard calculation: on 21 Aug 2025 at 00:41:06