SQL
AخA
use commonswiki_p;
SELECT user_id,
user_name,
user_registration,
user_editcount,
CONCAT('https://commons.wikimedia.org/wiki/User:', user_name) as link
FROM user
WHERE (LOWER(user_name) LIKE '%helicopter%')
AND user_registration IS NOT NULL
ORDER BY user_registration DESC
LIMIT 5;
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