Linux下MySQL8.0.26安装教程

 tar -xvf mysql-8.0.26-1.el7.x86_64.rpm-bundle.tar 

yum remove mariadb-libs -y

rpm -ivh mysql-community-common-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-plugins-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-compat-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-devel-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-server-8.0.26-1.el7.x86_64.rpm

systemctl start mysqld && systemctl status mysqld

find /var/log -name "mysqld*.log"

cat /var/log/mysqld.log

 mysql -u root -p

ALTER USER 'root'@'localhost' IDENTIFIED BY '密码';
FLUSH PRIVILEGES;

create user 'root'@'%' IDENTIFIED WITH mysql_native_password BY '密码';

grant all on *.* to 'root'@'%';

FLUSH PRIVILEGES;

systemctl start firewalld && firewall-cmd --permanent --add-port=3306/tcp && firewall-cmd --reload && firewall-cmd --query-port=3306/tcp

create database if not exists test; -- 创建数据库test
use test; -- 使用数据库test
-- 创建表example_table
CREATE TABLE example_table
(
    id          INT PRIMARY KEY AUTO_INCREMENT,
    name        VARCHAR(100) NOT NULL,
    description TEXT
) DEFAULT CHARSET = utf8mb4
  COLLATE = utf8mb4_unicode_ci;
-- 插入数据
INSERT INTO example_table (name, description)
VALUES ('张三', '这是一段中文描述');
-- 查询数据
SELECT *
FROM example_table;