1667 Fix Names in a Table.md

1667. Fix Names in a Table

https://leetcode.cn/problems/fix-names-in-a-table/
Table: Users

Column Name	Type
user_id	int
name	varchar

user_id is the primary key for this table.
This table contains the ID and the name of the user. The name consists of only lowercase and uppercase characters.
Write an SQL query 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.
The query result format is in the following example.

Example 1:
Input:
Users table:

user_id	name
1	aLice
2	bOB

Output:

user_id	name
1	Alice
2	Bob

solution

# Write your MySQL query statement below
SELECT
    user_id,
    CONCAT(UPPER(LEFT(name, 1)), '', LOWER(SUBSTRING(name, 2))) AS name
FROM Users
ORDER BY user_id