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MariaDB的安装与配置
2022-06-29 18:33:00 【萌褚】
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MariaDB的安装与配置
(菜鸡我是用阿里源安装的)
MariaDB是MySQL的一个分支,由开源社区维护,采用GPL授权许可,完全兼容MySQL.
1.安装相对应的源
vi /etc/yum.repos.d/MariaDB.repo# 填写如下内容(3选其一,我选择的是阿里源)[mariadb]# http://downloads.mariadb.org/mariadb/repositories/(官方源5.5)name = MariaDBbaseurl = http://yum.mariadb.org/5.5/centos7-amd64gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDBgpgcheck=1[mariadb]# 官方源10.1name = MariaDBbaseurl = http://yum.mariadb.org/10.1/centos7-amd64gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDBgpgcheck=1[mariadb]# 阿里的源10.4name = MariaDBbaseurl = https://mirrors.aliyun.com/mariadb/yum/10.4/centos7-amd64/gpgkey=https://mirrors.aliyun.com/mariadb/yum/RPM-GPG-KEY-MariaDBgpgcheck=1保存,退出2.清除缓存,加载配置
yum clean allyum makecache3.安装mariadb
(阿里源的mariadb包名是小写的,而官方源是大写的)
# 官方:yum install -y MariaDB-server MariaDB-client# 阿里:yum install -y mariadb-server mariadb 4.启动mariadb
systemctl start mariadb4-1.相关MariaDB管理命令
# 重启systemctl restart mariadb# 停止systemctl stop mariadb# 开机自启systemctl enable mariadb5. 查看mariadb进程
netstat -ntlp | grep 3306 或netstat -ntlp | grep mysql 6.MariaDB数据库初始化
mysql_secure_installation7.初始化测试登陆
mysql -uroot -p #进入数据库
8.MariaDB设置utf8编码(根据实际需求添加)
vi /etc/my.cnf#输入以下内容:[mysqld]character-set-server=utf8init-connect='SET NAMES utf8'collation-server=utf8_unicode_ci9.MariaDB的简单使用
1)修改密码
set password = PASSWORD('[email protected]'); # 设置密码为[email protected]2)mysql常用命令(部分)
desc 表名 # 查看表结构create database 数据库名; # 创建数据库create table 表名; # 创建数据表drop database 数据库名; # 删除数据库show create database 数据库库名; # 查看如何创建数据库show create table 表名; # 查看如何创建表10.MariaDB数据库备份与恢复
具体步骤:备份,恢复
前置条件
create database one;create database two;show databases;\q #退出mysqlmkdir -p /tmp/mysqldcd /tmp/mysqldrm -rf *根据自己需求进行选择
1-1)备份所有的数据库
mysqldump -u root -p --all-databases > /tmp/mysqld/db.dump #备份所有的数据库#输入密码ls #就可以查看到新增了db.dump文件(这就是数据库备份的文件).1-2)备份单个数据库
mysqldump -u root -p one > /tmp/mysqld/one.dump #备份名为one的数据库#输入密码ls #就看到新增了one.dump文件.2),进入到MariaDB,删除数据库,并查看结果
mysql -uroot -p# 输入密码drop database one;drop database one;根据自己需求进行选择
3-1)恢复所有数据库
mysql -uroot -p < /tmp/mysqld/db.dump 3-2)恢复名为one的数据库
mysql -uroot -p < /tmp/mysqld/one.dump原文链接:https://blog.csdn.net/weixin_51202460/article/details/123672061
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