Cassandra学习笔记(2)
2017-11-30 14:55
155 查看
P.K.
![](http://upload-images.jianshu.io/upload_images/2089620-382ecf7fcd836380.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
cassandra-cli的基本操作
查看帮助文档help;
查看所有的键空间
show keyspaces;
创建键空间
create keyspace testkeyspace;
进入创建好的名为root的键空间
use testkeyspace;
创建列族users并指定UTF8排序属性
create column family users with comparator = UTF8Type;
插入数据
set users[utf8('zhangsan')][utf8('address')][utf8('company')]=utf8('shanghai');
获取相应列的数据
get users[utf8('zhangsan')]
设置超级列
create column family users with comparator = UTF8Type and column_type=Super
CQL数据定义语句
1.![](http://upload-images.jianshu.io/upload_images/2089620-f8cf8a51345c6cd0.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
2.
![](http://upload-images.jianshu.io/upload_images/2089620-0ff0e067d6d12d41.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
![](http://upload-images.jianshu.io/upload_images/2089620-d4c4c8b5ff7ff7c0.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
3.
![](http://upload-images.jianshu.io/upload_images/2089620-39ed6b71fc9b5d72.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
相关文章推荐
- cassandra学习笔记4--Cassandra Java客户端2
- Cassandra学习笔记(1)
- cassandra学习笔记4--Cassandra Java客户端3
- Cassandra学习笔记(3)
- cassandra学习笔记
- cassandra学习笔记(一)------------安装篇
- cassandra学习笔记4--Cassandra Java客户端
- cassandra学习笔记4--Cassandra Java客户端
- Cassandra学习笔记之数据模型
- Cassandra学习笔记之机架感应策略
- Cassandra学习笔记之数据文件分布
- Cassandra学习笔记之数据更新
- cassandra学习笔记二
- cassandra学习笔记
- Cassandra学习笔记
- cassandra学习笔记1--安装篇
- Cassandra学习笔记 --- Connection error: ('Unable to connect to any servers', {'127.0.0.1': ...
- cassandra学习笔记3--Cassandra搭建简单Blog
- Cassandra学习笔记 --- cassandra-driver使用
- cassandra学习笔记4--Cassandra Java客户端