end of day 4 week 1

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2026-01-22 07:31:44 +01:00
parent 5120f11339
commit 82b79336ea
15 changed files with 247 additions and 0 deletions

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week 1/day 3/exo2.sql Normal file
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-- exo 2
SELECT username FROM users WHERE username ~ '^[A-Za-z]+$';