brief
mysql表字符集修正
link
alter table xxx convert to character set utf8 collate utf8_bin;
alter table xxx convert to character set utf8mb4 collate utf8mb4_general_ci; //utf8mb4 most bytes 4
标签:set,utf8mb4,character,字符集,修改,mysql,table
From: https://www.cnblogs.com/xiaochina/p/17019547.html