我尝试INSERT INTO guest VALUES (3, 'Hello','',NOW(),'author');进入我的数据库，但似乎它甚至无法输入数据。
表明，
mysql> INSERT INTO guest VALUES (3, 'Hello','��',NOW(),'author');
'>
我也更改并检查了从 utf8 到 utf8mb4 的设置。
mysql> show variables like 'c%';
+----------------------------------------------+---------------------------------------------------------+
| Variable_name | Value |
+----------------------------------------------+---------------------------------------------------------+
| caching_sha2_password_auto_generate_rsa_keys | ON |
| caching_sha2_password_private_key_path | private_key.pem |
| caching_sha2_password_public_key_path | public_key.pem |
| character_set_client | utf8mb4 |
| character_set_connection | utf8mb4 |
| character_set_database | utf8mb4 |
| character_set_filesystem | binary |
| character_set_results | utf8mb4 |
| character_set_server | utf8mb4 |
| character_set_system | utf8 |
| character_sets_dir | C:\Program Files\MySQL\MySQL Server 8.0\share\charsets\ |
| check_proxy_users | OFF |
| collation_connection | utf8mb4_0900_ai_ci |
| collation_database | utf8mb4_general_ci |
| collation_server | utf8mb4_0900_ai_ci |
| completion_type | NO_CHAIN |
| concurrent_insert | AUTO |
| connect_timeout | 10 |
| core_file | OFF |
| create_admin_listener_thread | OFF |
| cte_max_recursion_depth | 1000 |
+----------------------------------------------+---------------------------------------------------------+
21 rows in set, 1 warning (0.00 sec)
应该怎么做才能将该 imoji 插入我的数据库？