K_Win的博客

创建数据库CREATE DATABASE database-name删除数据库drop database dbname创建新表create table tabname(col1 type1 [not null] [primary key],col2 type2 [not null],..)增加一个列Alter table tabname add column col type添加主键Alter ta

1、配置YUM源在MySQL官网中下载YUM源rpm安装包：http://dev.mysql.com/downloads/repo/yum/ # 下载mysql源安装包shell> wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm# 安装mysql源shell> yum localinstall m