Hadoop之——Hbase Shell命令
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HBASE Shell
进入Habse数据库终端:#$HBASE_HOME/bin/hbase shell
创建表
>create‘users‘,‘user_id‘,‘address‘,‘info‘
表users,有三个列族user_id,address,info
列出全部表
>list
得到表的描述
>describe ‘users
创建表
>create‘users_tmp‘,‘user_id‘,‘address‘,‘info‘
删除表
>disable ‘users_tmp‘
>drop ‘users_tmp‘
添加记录
put ‘users‘,‘xiaoming‘,‘info:age‘,‘24‘;
put ‘users‘,‘xiaoming‘,‘info:birthday‘,‘1987-06-17‘;
put ‘users‘,‘xiaoming‘,‘info:company‘,‘alibaba‘;
put ‘users‘,‘xiaoming‘,‘address:contry‘,‘china‘;
put ‘users‘,‘xiaoming‘,‘address:province‘,‘zhejiang‘;
put ‘users‘,‘xiaoming‘,‘address:city‘,‘hangzhou‘;
put ‘users‘,‘zhangyifei‘,‘info:birthday‘,‘1987-4-17‘;
put ‘users‘,‘zhangyifei‘,‘info:favorite‘,‘movie‘;
put ‘users‘,‘zhangyifei‘,‘info:company‘,‘alibaba‘;
put ‘users‘,‘zhangyifei‘,‘address:contry‘,‘china‘;
put ‘users‘,‘zhangyifei‘,‘address:province‘,‘guangdong‘;
put ‘users‘,‘zhangyifei‘,‘address:city‘,‘jieyang‘;
put ‘users‘,‘zhangyifei‘,‘address:town‘,‘xianqiao‘;
获取一条记录
1.取得一个id的所有数据
>get ‘users‘,‘xiaoming‘
2.获取一个id,一个列族的所有数据
>get ‘users‘,‘xiaoming‘,‘info‘
3.获取一个id,一个列族中一个列的
所有数据
get ‘users‘,‘xiaoming‘,‘info:age‘
更新记录
>put ‘users‘,‘xiaoming‘,‘info:age‘ ,‘29‘
>get ‘users‘,‘xiaoming‘,‘info:age‘
>put ‘users‘,‘xiaoming‘,‘info:age‘ ,‘30‘
>get ‘users‘,‘xiaoming‘,‘info:age‘
获取单元格数据的版本数据
>get‘users‘,‘xiaoming‘,{COLUMN=>‘info:age‘,VERSIONS=>1}
>get‘users‘,‘xiaoming‘,{COLUMN=>‘info:age‘,VERSIONS=>2}
>get ‘users‘,‘xiaoming‘,{COLUMN=>‘info:age‘,VERSIONS=>3}
获取单元格数据的某个版本数据
〉get ‘users‘,‘xiaoming‘,{COLUMN=>‘info:age‘,TIMESTAMP=>1364874937056}
全表扫描
>scan ‘users‘
删除xiaoming值的‘info:age‘字段
>delete ‘users‘,‘xiaoming‘,‘info:age‘
>get ‘users‘,‘xiaoming‘
删除整行
>deleteall ‘users‘,‘xiaoming‘
统计表的行数
>count ‘users‘
清空表
>truncate‘users‘郑重声明:本站内容如果来自互联网及其他传播媒体,其版权均属原媒体及文章作者所有。转载目的在于传递更多信息及用于网络分享,并不代表本站赞同其观点和对其真实性负责,也不构成任何其他建议。