熟悉常用的Hbase操作

1. 以下关系型数据库中的表和数据,要求将其转换为适合于HBase存储的表并插入数据:

学生表(Student)(不包括最后一列)

学号(S_No)

姓名(S_Name)

性别(S_Sex)

年龄(S_Age)

课程(course)

2015001

Zhangsan

male

23

 

2015003

Mary

female

22

 

2015003

Lisi

male

24

数学(Math)85

 

复制代码
create 'Student', ' S_No  ','S_Name', ’S_Sex’,'S_Age'
put 'Student','s001','S_No','2015001'
put 'Student','s001','S_Name','Zhangsan'
put 'Student','s001','S_Sex','male'
put 'Student','s001','S_Age','23'
put 'Student','s002','S_No','2015003'
put 'Student','s002','S_Name','Mary'
put 'Student','s002','S_Sex','female'
put 'Student','s002','S_Age','22'
put 'Student','s003','S_No','2015003'
put 'Student','s003','S_Name','Lisi'
put 'Student','s003','S_Sex','male'
put 'Student','s003','S_Age','24'
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列出HBase所有的表的相关信息;list

create 'Student','S_No','S_Name','S_Sex','S_Age'

在终端打印出学生表的所有记录数据;

scan 'Student'

向学生表添加课程列族;

alter 'Student','NAME'=>'course'

向课程列族添加数学列并登记成绩为85;

put 'Student','s003','course:Math','85'

删除课程列;

dorp 'Student','course'

统计表的行数;count 's1'

count 'Student'

清空指定的表的所有记录数据;truncate 's1'

truncate 'Student'

posted on 2018-05-04 20:23  133饶敏  阅读(181)  评论(0编辑  收藏  举报

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