1. 创建 yum 源 vi /etc/yum.repos.d/mongodb-org-3.6.repo 添加以下路径 保存退出 [:wq] [mongodb-org-3.6] name=MongoDB Repository baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.6/x86_64/ gpgcheck=0 enabled=1 gpgkey=https://www.mongodb.org/static/pgp/server-3.6.asc 2. yum 安装 yum install -y mong …

1. 下载mysql的repo源 $?wget?http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm 2. 安装mysql-community-release-el7-5.noarch.rpm包 $?sudo?rpm?-ivh?mysql-community-release-el7-5.noarch.rpm 安装这个包后，会获得两个mysql的yum repo源：/etc/yum.repos.d/mysql-community.repo，/etc/yum.repos.d/mysql-community-source.rep …

查看所有表 list 创建表 create ‘表名’,{‘列族名’ => ‘列名’, VERSIONS => 2} 查看表的结构 describe ‘表名’ 查询表 scan ‘表名’,{LIMIT=>5}　查询表的前5条数据 get ‘表名’,’行名’　查询表某行的所有数据 get ‘表名’,’行名’,’列族名:列名’　查询表某行某列族某 …