👨🏫 参考题解
select user_id, CONCAT(UPPER(left(name, 1)), LOWER(RIGHT(name, length(name) - 1))) as name
from Users
order by user_id
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👨🏫 参考题解
select user_id, CONCAT(UPPER(left(name, 1)), LOWER(RIGHT(name, length(name) - 1))) as name
from Users
order by user_id
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