mariadb简介，mariadb
1,mariadb简介
官网链接：https://mariadb.org
MariaDB由MySQL的创始人Michael Widenius（英语：Michael Widenius）主导开发，他早前曾以10亿美元的价格，将自己创建的公司MySQL AB卖给了SUN，此后，随着SUN被甲骨文收购，MySQL的所有权也落入Oracle的手中。MariaDB名称来自Michael Widenius的女儿Maria的名字。
2.与Mysql区别
Oracle在发布MySQL5.6后，采用了社区版与企业版区分，同时没有推出5.6的相关修复补丁；
3.安装mariadb
(1)启用MariaDB源
参考链接：https://mariadb.com/kb/en/mariadb/yum/
# cat /etc/yum.repos.d/mariadb.repo
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.0/centos6-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
(2)安装单机版MariaDB
# yum -y install MariaDB-server
安装集群版MariaDB集群
# yum -y install MariaDB-server
# yum -y install MariaDB-Galera-server
4.启动并测试mariadb
(1)启动mariadb
# /etc/init.d/mysql start
(2)测试mariadb
[root@node1 ~]# mysql -u root -p[
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 5
Server version: 10.0.17-MariaDB MariaDB Server
Copyright (c) 2000, 2015, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.00 sec)