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

LiSI

male

26

 

2015003

Marry

female

27

 

2015003

Lissi

male

29

英语(Eng)93

  

2. 用Hadoop提供的HBase Shell命令完成相同任务:

  • 列出HBase所有的表的相关信息;list
  • 在终端打印出学生表的所有记录数据;
  • 向学生表添加课程列族;
  • 向课程列族添加数学列并登记成绩为85;
  • 删除课程列;
  • 统计表的行数;count 's1'
  • 清空指定的表的所有记录数据;truncate 's1'
复制代码
create 'student', ' S_No  ','S_Name', ’S_Sex’,'S_Age'
put 'student','1','S_No','2015001'
put 'student','1','S_Name','LiSi'
put 'student','1','S_Sex','male'
put 'student','1','S_Age','26'
put 'student','2','S_No','2015003'
put 'student','2','S_Name','Marry'
put 'student','2','S_Sex','female'
put 'student','2','S_Age','27'
put 'student','3','S_No','2015003'
put 'student','3','S_Name','Lissi'
put 'student','3','S_Sex','male'
put 'student','3','S_Age','29'

list
scan 'student 
alter 'student','NAME'=>'course'
put 'student','3','course:Eng','96'
dorp 'student','course'
count 'student'
truncate 'student'
posted on 2018-05-04 21:25  121林伟聪  阅读(111)  评论(0编辑  收藏  举报