# https://dev.mysql.com/downloads/repo/yum/
2、下载mysql安装包
# wget http://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
3、安装mysq源
我要评论# yum -y install mysql80-community-release-el7-3.noarch.rpm
4、查看安装结果
# yum repolist enabled | grep mysql.*
mysql-connectors-community/x86_64 mysql connectors community 128
mysql-tools-community/x86_64 mysql tools community 100
mysql80-community/x86_64 mysql 8.0 community server 145
5、安装mysql服务
# yum install mysql-community-server -y
6、启动mysql
# service mysqld start # netstat -lntp | grep 3306 //查看3306端口是否起了
# systemctl status mysqld.service //查看mysql的运行状态
7、查看mysql日志，筛选出临时密码
# grep "password" /var/log/mysqld.log
8、用临时密码登录到mysql
# mysql -uroot -p
9、更改root密码，密码要大小写加字符（密码有复杂性要求）
mysql> alter user 'root'@'localhost' identified by 'newpasswd'；
10、修改 /etc/my.cnf 或 /etc/mysql/my.cnf,文件加入 utf-8编码
# vim /etc/my.cnf //把下面代码粘进去就好 [client] default-character-set = utf8 [mysqld] default-storage-engine = innodb character-set-server = utf8 collation-server = utf8_general_ci # service mysqld restart //重启数据库即可
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MySQL Innodb 存储结构 和 存储Null值 用法详解
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