Exemplos de Uso
$
mysql -u root -p -e "SHOW VARIABLES LIKE "%character%";"
$
ALTER DATABASE meubanco CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
$
ALTER TABLE minhatab CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
$
[mysqld]
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci