1）設定密碼

#1.設定密碼
[root@db02 ~]# mysqladmin -uroot password
New password: 
Confirm new password:

#2.修改密碼
[root@db02 ~]# mysqladmin -uroot -p password
Enter password: 
New password: 
Confirm new password:

2）關閉服務

[root@db02 ~]# mysqladmin -uroot -p shutdown 
Enter password: 123

3）庫外建庫

[root@db02 ~]# mysqladmin -uroot -p123 create database222222
 

4）庫外刪庫

[root@db02 ~]# mysqladmin -uroot -p123 drop database222222
Warning: Using a password on the command line interface can be insecure.
Dropping the database is potentially a very bad thing to do.
Any data stored in the database will be destroyed.

Do you really want to drop the 'database222222
 
' database [y/N] y
Database "database222222" dropped

5）檢視資料庫配置

[root@db02 ~]# mysqladmin -uroot -p123 variables | grep -w server_id

6）檢測資料庫是否啟動

[root@db02 ~]# mysqladmin -uroot -p ping
Enter password: 
mysqld is alive

7）檢視資料庫資訊

[root@db02 ~]# mysqladmin -uroot -p123 status
Warning: Using a password on the command line 
 
interface can be insecure.
Uptime: 130  Threads: 1  Questions: 94  Slow queries: 0  Opens: 70  Flush tables: 1  Open tables: 63  Queries per second avg: 0.723

Slow queries: 0
Queries per second avg: 0.723

8）重新整理授權表

[root@db02 ~]# mysqladmin -uroot -p123 reload