mysql 初始化

一、centos7下mysql 安装配置

　　yum -y install mariadb*

　　systemctl start mariadb.service

　　systemctl enable mariadb.service

二、初始化

 1  [root@web]#mysql
 2 Welcome to the MariaDB monitor.  Commands end with ; or g.
 3 Your MariaDB connection id is 3
 4 Server version: 5.5.50-MariaDB MariaDB Server
 5 
 6 Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.
 7 
 8 Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
 9 
10 MariaDB [(none)]> use mysql
11 Reading table information for completion of table and column names
12 You can turn off this feature to get a quicker startup with -A
13 
14 Database changed
15 MariaDB [mysql]> show databases;
16 MariaDB [mysql]> show databases;
17 +--------------------+
18 | Database           |
19 +--------------------+
20 | information_schema |
21 | mysql              |
22 | performance_schema |
23 | test               |
24 +--------------------+
25 4 rows in set (0.00 sec)
26 
27 MariaDB [mysql]> use mysql
28 Database changed
29 MariaDB [mysql]> update user set password=PASSWORD('cXP123456') where user='root';   #设置密码
30 Query OK, 4 rows affected (0.00 sec)
31 Rows matched: 4  Changed: 4  Warnings: 0
32 
33 MariaDB [mysql]> flush privileges
34     -> ;
35 Query OK, 0 rows affected (0.01 sec)
36 
37 MariaDB [mysql]> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'cXP123456';   #设置远程登录
38 Query OK, 0 rows affected (0.00 sec)
39 
40 MariaDB [mysql]> flush privileges;
41 Query OK, 0 rows affected (0.00 sec)
42 
43 MariaDB [mysql]> exit
44 Bye