mysql基本操作

• 安装（版本5.7）

  • sudo apt-get install mysql-server
    sudo apt-get install mysql-client
    sudo apt-get install libmysqlclient-dev
    
    sudo netstat -tap | grep mysql
    

  • sudo vim /etc/mysql/debian.cnf # 查看默认登陆密码
    mysql -u debian-sys-maint -p # 登录
    
    update mysql.user set authentication_string=password('password') where user='root'and Host = 'localhost'; # 更改密码
    
    # 新建mysql账户
    CREATE USER 'root_sql'@'localhost' IDENTIFIED BY 'yourpasswd';
    GRANT ALL PRIVILEGES ON *.* TO 'root_sql'@'localhost' WITH GRANT OPTION;
    FLUSH PRIVILEGES;
    

  • # 删除mysql
    sudo apt-get autoremove --purge mysql-server-5.7
    sudo apt-get remove mysql-server
    sudo apt-get autoremove mysql-server
    sudo apt-get remove mysql-common
    
    # 清理残余数据
     dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P
    

  • # 重启数据库
    service mysql restart
    

  • # 设置远程连接
    sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf
    
    # 注释掉bind-address = 127.0.0.1
    
    # 进入mysql服务，执行授权命令
    grant all on *.* to root@'%' identified by '你的密码' with grant option;
    flush privileges;