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修复表中的名字(首字符大写,其他小写)
2022-07-01 01:11:00 【冥王哈迪尔】
# Write your MySQL query statement below
select user_id,
CONCAT(Upper(left(name, 1)), Lower(substring(name, 2))) name
from Users
order by user_id;
使用方法:CONCAT(str1,str2,…)
返回结果为连接参数产生的字符串。如有任何一个参数为NULL ,则返回值为 NULL。
如果所有参数均为非二进制字符串,则结果为非二进制字符串。
如果自变量中含有任一二进制字符串,则结果为一个二进制字符串。
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