如何通过yum方式安装mysql数据库

yum install wget
 
yum install lrzsz
 
yum install unzip
 
setenforce 0

8.0版本
wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
这里需要安装5.7版本  sz直接拖入

rpm -Uvh mysql80-community-release-el7-3.noarch.rpm

yum repolist all | grep mysql

yum-config-manager --disable mysql80-community 

yum -y install yum-utils

rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
echo insecure >> ~/.curlrc

yum-config-manager --enable mysql57-community

yum install -y mysql-community-server

mysql --version

查看启动状态 
systemctl status mysqld.service

关闭防火墙 systemctl stop firewalld

systemctl start mysqld.service

 
grep 'temporary password' /var/log/mysqld.log

mysql -u root -p'nYZWlu&Qr4S('
引号内密码

ALTER USER 'root'@'localhost' IDENTIFIED BY 'ggxl886...';

set global validate_password_length=6;
set global  validate_password_policy=0;
show variables like "%validate%";

use mysql
select host ,user from user; 

update user set host = "%" where user = "root";

flush privileges;

create database <数据库名>

create table test(name varchar(20) not null,id int not null,age int not null ) default charset = utf8;