Open proelbtn opened 6 years ago
https://qiita.com/suzuki_sh/items/f02fc88a8514fd23a47e
utf8mb4にすると良さそう
https://dba.stackexchange.com/questions/76788/create-a-database-with-charset-utf-8/76789
https://qiita.com/suzuki_sh/items/f02fc88a8514fd23a47e