hbase shell 常见命令

  • quick start from official Hbase 
hbase(main):003:0> create 'test', 'cf'
0 row(s) in 1.2200 seconds
hbase(main):003:0> list 'test'
..
1 row(s) in 0.0550 seconds
hbase(main):004:0> put 'test', 'row1', 'cf:a', 'value1'
0 row(s) in 0.0560 seconds
hbase(main):005:0> put 'test', 'row2', 'cf:b', 'value2'
0 row(s) in 0.0370 seconds
hbase(main):006:0> put 'test', 'row3', 'cf:c', 'value3'
0 row(s) in 0.0450 seconds

另外常见的命令还有,
hbase(main):006:0> truncate 'test'
(注:'truncate'功能类似mysql,将表的数据清空。慎用!)

hbase(main):006:0> describe 'test'
(注:查询test表的列族)
hbase(main):006:0> count 'test'
(注:统计‘test’表中的记录数)
hbase(main):006:0> get 'test','row1'
(注:获取一条记录)
hbase(main):006:0> scan 'test'
(注:查询全表)
hbase(main):006:0> delete 'test','cf:a'
(注:删除test表所以记录的一列,需慎重!)
hbase(main):006:0> deleteall 'test','row1'
(注:删除test表的整条记录,包含row1单条记录的任意column)
  • Demos

      将关系型的people表转换为hbase列式存储的方式如下

people表 sex age summary story
ZhangSan M 19 Summary for ZhangSan 张三的故事
WangMing F 20 Summary for WangMing 王明,明之歌
id column value timestamp
p|ZhangSan property:sex M xx(系统时间)
p|ZhangSan property:age 19 xx
p|ZhangSan detail:summary Summary for ZhangSan xx
p|ZhangSan detail:story 张三的故事 xx
p|WangMing property:sex F xx
p|WangMing property:age 20 xx
p|WangMing detail:summary Summary for WangMing xx
p|WangMing detail:story 王明,明之歌 xx

具体转换如下图:

原文地址:https://www.cnblogs.com/SeaSky0606/p/5203448.html