使用 yum 安装 MariaDB 与 MariaDB 的简单配置

时间:2022-05-24 05:15:09

CentOS 7.0 使用 yum 安装 MariaDB 与 MariaDB 的简单配置

安装MariaDB

安装命令

yum -y install mariadb mariadb-server

安装完成MariaDB,首先启动MariaDB

systemctl start mariadb

设置开机启动

systemctl enable mariadb

接下来进行MariaDB的相关简单配置

mysql_secure_installation

首先是设置密码,会提示先输入密码

Enter current password for root (enter for none): -->初次运行直接回车

设置密码

Set root password? [Y/n]  //是否设置root用户密码
New password: //设置root用户的密码
Re-enter new password: //再输入一次你设置的密码

其他配置

Remove anonymous users? [Y/n] // 是否删除匿名用户
Disallow root login remotely? [Y/n] //是否禁止root远程登录
Remove test database and access to it? [Y/n] //是否删除test数据库
Reload privilege tables now? [Y/n] // 是否重新加载权限表

初始化MariaDB完成, 测试登录

mysql -uroot -ppassword

完成。

配置MariaDB的字符集

    <!-- 文件/etc/my.cnf中添加 -->
[mysqld]
init_connect='SET collation_connection = utf8_unicode_ci'
init_connect='SET NAMES utf8'
character-set-server=utf8
collation-server=utf8_unicode_ci
skip-character-set-client-handshake

<!-- #文件/etc/my.cnf.d/client.cnf中添加 -->
[client]
default-character-set=utf8

<!-- #文件/etc/my.cnf.d/mysql-clients.cnf中添加 -->
[mysql]
default-character-set=utf8

全部配置完成,重启mariadb

systemctl restart mariadb

之后进入MariaDB查看字符集

show variables like "%character%";
show variables like "%collation%";

显示为

+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+

| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | utf8 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+

8 rows in set (0.00 sec)

+----------------------+-----------------+
| Variable_name | Value |
+----------------------+-----------------+

| collation_connection | utf8_unicode_ci |
| collation_
database | utf8_unicode_ci |
| collation_server | utf8_unicode_ci |
+----------------------+-----------------+

3 rows in set (0.00 sec)

字符集配置完成。

建立数据库时可以使用以下命令:

create database app_relation character set utf8; 
use app_relation;
source app_relation.sql;

修改数据库编码的命令为:

alter database app_relation character set utf8;