查询基本使用(条件,排序,聚合函数,分组,分页)示例:--创建学生表create table students (id int unsigned not null auto_increment primary key,name varchar(20) default '',age tinyint unsigned default 0,high decimal(5,2),gender enum('..
安装apt-get install mariadb-server修改配置vim /etc/mysql/mariadb.conf.d/50-server.cnf修改允许所有IP连接数据库bind-address=0.0.0.0修改root密码mariadbupdate mysql.user set password=password('ChinaSkill20!') where user='root';flush p..