MYSQL ==>> MARIADB

准备数据库(MySQL),若已有MySQL,可忽略.

build MySQL table;

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链接MySQL;

mysql -u root -p

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建立数据表;

mysql> create database demo;

mysql> use demo;

mysql> create table pet(name varchar(30), owner varchar(30), species varchar(20), sex char(1));

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添加数据表内容;

mysql> insert into pet values('brandon','Jack','puddle','m'),('dixie','Danny','chihuahua','f');

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exit();     ----退出MySQL

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backup MySQL;

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前情提示,启用二进制;

备份数据表;备份my.cnf;

$ mysqldump --all-databases --user=root --password --master-data > backupdb.sql

$ sudo cp /etc/mysql/my.cnf /opt/my.cnf.bak

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del MySQL;

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中止MySQL服务;

$ sudo service mysql stop  //RHEL6

$ sudo systemctl stop mysql //RHEL7

$ sudo /etc/init.d/mysql stop //RHEL6

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移除MySQL配置及文件;

$ sudo yum remove mysql* mysql-server mysql-devel mysql-libs

$ sudo rm -rf /var/lib/mysql

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build mariadb;

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安装 mariadb;以及相关依赖包;

$ sudo vi /etc/yum.repos.d/MariaDB.repo  //建立自定义的yum源

.......................................  //如下为文件内容

[mariadb]

name = MariaDB

baseurl = http://yum.mariadb.org/5.5/centos7-amd64

gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB

gpgcheck=1

.......................................

$ sudo yum install MariaDB-server MariaDB-client//安装MariaDB

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恢复my.cnf文件;

$ sudo cp /opt/my.cnf   /etc/mysql/

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启动mariadb;

$ sudo service mariadb start

$ sudo systemctl start mariadb

$ sudo /etc/init.d/mariadb start

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MySQL ==>> MARIADB;

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将数据表导入到mariadb中;

$ mysql -u root -p < backupdb.sql

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出现一下内容,表示登陆成功;恭喜你;

$ mysql -u root -p

......................................//如下为sql命令

MariaDB [(none)]> show databases;

MariaDB [(none)]> use test01;

MariaDB [test01]> select * from pet;

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本文到此结束,欢迎来访;

详情请点击<<MARIADB官方文档>>