熟悉經常使用的HBase操做

1. 如下關係型數據庫中的表和數據,要求將其轉換爲適合於HBase存儲的表並插入數據:數據庫

學生表(Student)(不包括最後一列)oop

學號(S_No)spa

姓名(S_Name)code

性別(S_Sex)blog

年齡(S_Age)數學

課程(course)it

2015001table

Zhangsanclass

male終端

23

 

2015003

Mary

female

22

 

2015003

Lisi

male

24

數學(Math)85

 

複製代碼
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'
複製代碼

 

2. 用Hadoop提供的HBase Shell命令完成相同任務:

  • 列出HBase全部的表的相關信息;list
  • 在終端打印出學生表的全部記錄數據;
  • 向學生表添加課程列族;
  • 向課程列族添加數學列並登記成績爲85;
  • 刪除課程列;
  • 統計表的行數;count 's1'
  • 清空指定的表的全部記錄數據;truncate 's1' 
複製代碼
scan 'Student'
alter 'Student','NAME'=>'course'
put 'Student','3','course:Math','85'
dorp 'Student','course'
count 's1'
truncate 's1'
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