58. Fix Names In a Table
https://leetcode.com/problems/fix-names-in-a-table/
Write a solution to fix the names so that only the first character is uppercase and the rest are lowercase. Return the result table ordered by user_id.
Select user_id, concat(upper(substr(name, 1,1)),(lower(substr(name, 2)))) name From Users order by 1
대문자로 바꾸는 upper(), 소문자로 바꾸는 lower() 그리고 concat()으로 문자열을 붙이기!