Tutorial on Migrating Projects from MYSQL to MARIADB

Prepare the database (MySQL). If you already have MySQL, you can ignore this.

build MySQL table;

Connect to MySQL;

mysql -u root -p

Create a data table;

mysql> create database demo;

mysql> use demo;

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

Add data table content;

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

exit(); ---- Exit MySQL

backup MySQL;

Foreword, enable binary;

Back up the data table; back up my.cnf;

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

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

del MySQL;

Stop the MySQL service;

$ sudo service mysql stop //RHEL6

$ sudo systemctl stop mysql //RHEL7

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

Remove MySQL configuration and files;

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

$ sudo rm -rf /var/lib/mysql

build mariadb;

Install mariadb and related dependency packages;

$ sudo vi /etc/yum.repos.d/MariaDB.repo //創建自定義的yum源

....................................... //The following is the file content

[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//安裝MariaDB

Restore the my.cnf file;

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

Start mariadb;

$ sudo service mariadb start

$ sudo systemctl start mariadb

$ sudo /etc/init.d/mariadb start

MySQL ==>> MARIADB;

Import the data table into mariadb;

$ mysql -u root -p < backupdb.sql

The following content appears, indicating that the login is successful; Congratulations;

$ mysql -u root -p

......................................//The following is the sql command

MariaDB [(none)]> show databases;

MariaDB [(none)]> use test01;

MariaDB [test01]> select * from pet;