[client]
default-character-set = utf8mb4
[mysql]
default-character-set = utf8mb4
[mysqld]
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci

String databaseUrl = "jdbc:mysql://localhost:3306/myDB?useSSL=false&autoReconnect=true&characterEncoding=utf8mb4";

String databaseUrl = "jdbc:mysql://localhost:3306/myDB?useSSL=false&autoReconnect=true";