mysq中某个表有timestamp字段会发送什么

mysql> create table jo (name varchar(20),t timestamp);
Query OK, 0 rows affected (0.04 sec)

mysql> insert into jo (name) values ("jyd");
Query OK, 1 row affected (0.06 sec)

mysql> select * from jo;
+------+---------------------+
| name | t                   |
+------+---------------------+
| jyd  | 2021-10-15 08:02:53 |
+------+---------------------+
1 row in set (0.00 sec)