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159Contributions played
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237Questions completed
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Attended tests
13% questions validées
1 test sessionLast activity : Apr 4, 2023
10% questions validées
1 test sessionLast activity : Apr 4, 2023
22% questions validées
1 test sessionLast activity : Mar 17, 2023
5% questions validées
1 test sessionLast activity : Mar 17, 2023
6% questions validées
1 test sessionLast activity : Mar 17, 2023
15% questions validées
1 test sessionLast activity : Mar 17, 2023
16% questions validées
3 test sessionsLast activity : Mar 16, 2023
5% questions validées
1 test sessionLast activity : Mar 16, 2023
9% questions validées
1 test sessionLast activity : Mar 16, 2023
22% questions validées
1 test sessionLast activity : Mar 16, 2023
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Profession : Lead developerFavorite technologies

Daily Challenge

1 July 2026
One question per day to improve your general code knowledge!
Today :SQL Data Design #1/9
Data
SQL
SQL Data Design
daily challenge
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Samuel170 points
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Last leaderboard calculation: on 1 Jul 2026 at 06:44:08