How to store Emoji in a MySQL database

No details: MySQLALTERDATABASEmy_databaseDEFAULTCHARACTERSETutf8mb4COLLATEutf8mb4_general_ci; ALTERTABLEmy_tableCONVERTTOCHARACTERSETutf8mb4COLLATEutf8mb4_general_ci;

No details about MySQL alter database my_database default character set utf8mb4 COLLATE utf8mb4_general_ci; alter table my_table convert to character set utf8mb4 COLLATE utf8mb4_general_ci;

<无详细内容> MySQL

ALTER DATABASE my_database DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;ALTER TABLE my_table CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;