# 修改普通用戶,只改一個就好
SET PASSWORD FOR 'youruser' = PASSWORD('xxxxxxxx');
# 修改root用戶,改兩個
SET PASSWORD FOR 'root' = PASSWORD('xxxxxxxxx');
SET PASSWORD FOR 'root'@'localhost'=PASSWORD('xxxxxxxxx');
https://www.cnblogs.com/leaderjs/p/13206915.html
