????9????????????????
????????????Mysql?????????????????????н??????????????
mysql> create database hi_db;
Query OK?? 1 row affected (0.00 sec)
mysql> use hi_db;
Database changed
mysql>  create table hi_tb(id int(3)??name char(10));
Query OK?? 0 rows affected (0.00 sec)
mysql> insert into hi_tb values(001??'bobu');
Query OK?? 1 row affected (0.00 sec)
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| hi_db              |
| mysql              |
| test               |
+--------------------+
4 rows in set (0.00 sec)
???????Mysql?????
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| hi_db              |          //I'M here???????????
| mysql              |
| test               |
+--------------------+
4 rows in set (0.00 sec)
mysql> use hi_db
Database changed
mysql> select * from hi_tb;    //????????????????????????????????
+------+------+
| id   | name |
+------+------+
|    1 | bobu |
+------+------+
1 row in set (0.00 sec)
????10??????
??????д?shell???????nagios???slave??????“yes”???緢?????????????“yes”?????????????????????????????ɡ?