INSERT increasing data record

INSERT INTO pet
-> VALUES('Puffball','Diane','hamster','f','1999-03-30',NULL);
Query OK, 1 row affected (0.15 sec)
再查询一次
select * from pet;
+----------+-------+---------+------+------------+-------+
| name | owner | species | sex | birth | death |
+----------+-------+---------+------+------------+-------+
| Puffball | Diane | hamster | f | 1999-03-30 | NULL |
+----------+-------+---------+------+------------+-------+
1 row in set (0.00 sec)

The INTO PET the INSERT
-> the VALUES ( 'Cai', 'Stephen', 'dog', 'male', '1990-01-01', NULL);
Query the OK,. 1 Row affected (0.10 sec)

MySQL> SELECT * from PET;
+ ---------- + --------- + -------- + ------ + ----- + ------- + -------
| name | owner | Species | Sex | Birth | Death |
+ -------- + ---------- + + ------ + ------------ + --------- + -------
| Puffball | Diane | Hamster | f | 1999-03 -30 | NULL |
| Cai | Stephen Chow | dog | public | 1990-01-01 | NULL |
+ ---------- + -------- + ------ + ------ + ----------------------- + --- + -------
2 in rows SET (0.05 sec)