学习笔记，转自：http://blog.csdn.net/scutshuxue/article/details/6988348
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下面我们看看HBase Shell的一些基本操作命令，我列出了几个常用的HBase Shell命令，如下：
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名称 |
命令表达式 |
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创建表 |
create '表名称', '列名称1','列名称2','列名称N' |
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添加记录??? ?? |
put '表名称', '行名称', '列名称:', '值' |
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查看记录 |
get '表名称', '行名称' |
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查看表中的记录总数 |
count? '表名称' |
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删除记录 |
delete? '表名' ,'行名称' , '列名称' |
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删除一张表 |
先要屏蔽该表，才能对该表进行删除，第一步 disable '表名称' 第二步? drop '表名称' |
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查看所有记录 |
scan "表名称"?? |
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查看某个表某个列中所有数据 |
scan "表名称" , ['列名称:'] |
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更新记录? |
就是重写一遍进行覆盖 |
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下面是一些常见命令的说明，在hbaseshell中输入help的帮助信息，在本文中，我们先介绍前3个，后面2个，将在下一篇博文中介绍。
COMMAND GROUPS:
? Group name: general
? Commands: status, version
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? Group name: ddl
? Commands: alter, create, describe, disable,drop, enable, exists, is_disabled, is_enabled, list
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? Group name: dml
? Commands: count, delete, deleteall, get,get_counter, incr, put, scan, truncate
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? Group name: tools
? Commands: assign, balance_switch, balancer,close_region, compact, flush, major_compact, move, split, unassign, zk_dump
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? Group name: replication
? Commands: add_peer, disable_peer,enable_peer, remove_peer, start_replication, stop_replication
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一、一般操作
1.查询服务器状态
hbase(main):024:0>status
3 servers, 0 dead,1.0000 average load
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2.查询hive版本
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hbase(main):025:0>version
0.90.4, r1150278,Sun Jul 24 15:53:29 PDT 2011
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二、DDL操作
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1.创建一个表
hbase(main):011:0>create 'member','member_id','address','info'???
0 row(s) in 1.2210seconds
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2.获得表的描述
hbase(main):012:0>list
TABLE???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
member??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
1 row(s) in 0.0160seconds
hbase(main):006:0>describe 'member'
DESCRIPTION??????????????????????????????????????????????????????????????????????????????????????????ENABLED???????????????????????????????????????????????
?{NAME => 'member', FAMILIES => [{NAME=> 'address', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', true?????????????????????????????????????????????????
? VERSIONS => '3', COMPRESSION => 'NONE',TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'fa???????????????????????????????????????????????????????
?lse', BLOCKCACHE => 'true'}, {NAME =>'info', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSI???????????????????????????????????????????????????????
?ONS => '3', COMPRESSION => 'NONE', TTL=> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false',????????????????????????????????????????????????????????
?BLOCKCACHE => 'true'}]}????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
1 row(s) in 0.0230seconds
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3.删除一个列族，alter，disable，enable
我们之前建了3个列族，但是发现member_id这个列族是多余的，因为他就是主键，所
