hbase(main):032:0> put 'table','id','column_famaly1:age','20' 0 row(s) in 0.0150 seconds hbase(main):033:0> put 'table','id','column_famaly1:sex','boy' 0 row(s) in 0.0190 seconds 2.获取一条数据 获取一个id的所有数据 hbase(main):034:0> get 'table','id' COLUMN CELL...
hbase(main):004:0> drop 'score' 0 row(s) in 10.6740 seconds 删除数据表score(注意在删除表之前要使表无效) hbase shell实践操作1 hbase(main):013:0> create 'score', 'name', 'course' 0 row(s) in 5.1050 seconds 创建数据表score。当中name是Row Key,course是列族 hbase(main):014:0> pu...
hbase(main):003:0> get 'student','2013001','score:Chinese' COLUMN CELL score:Chinese timestamp=1365848492778, value=100 1 row(s)in0.0320seconds hbase(main):004:0> 8、删除整行 把行键为2013002的这一条记录删掉 hbase(main):001:0>scan 'student' ROW COLUMN+CELL2013001 column=name:, time...
hbase(main):003:0> create 'user', 'info', 'data' Created table user Took 1.3863 seconds => Hbase::Table - user # user是表名 # info是列族1的名字 # data 是列族2的名字 查看表信息 # 通过desc '表名称'查看 hbase(main):004:0> desc 'user' Table user is ENABLED user COLUMN FAMILI...
hbase(main):002:0>scan'mytable' 1. 获取数据大小 使用count命令可以获取表的总行数: hbase(main):003:0>count'mytable' 1. 使用size命令可以获取表的总大小: hbase(main):004:0>size'mytable' 1. 退出HBase Shell 使用exit命令退出HBase Shell: ...
hbase(main):003:0>put'test','row1','cf:a','value1' 0row(s)in0.0850seconds hbase(main):004:0>put'test','row2','cf:b','value2' 0row(s)in0.0110seconds hbase(main):005:0>put'test','row3','cf:c','value3' ...
hbase(main):004:0> enable 'table_name' 1. 通过以上步骤,我们就可以成功地设置列族的最大版本数。 示例 下面是一个示例,演示如何使用HBase命令设置最大版本: $ hbase shell hbase(main):001:0> enable 'employee' hbase(main):002:0> disable 'employee' ...
hbase(main):002:0> create 'hot_cold_table', {NAME=>'f', COLD_BOUNDARY=>'86400'}参数说明:NAME:需要冷热分离的列族。COLD_BOUNDARY:冷热分离时间点,单位为秒(s)。例如COLD_BOUNDARY为86400,代表86400秒(一天)前写入的数据会被自动归档到冷存储。取消冷热分离。hbase(main):004:0> alter 'hot_cold_...
hbase(main):004:0> get 'qx:t2','20210102_000' COLUMN CELL cf3:age timestamp=1661360151820, value=99 1 row(s) Took 0.1248 seconds #(2)可以同时指定 'ns:t1','rowkey','cf1'【查询某个rowkey中某个列族下的keyvalue】 hbase(main):005:0> get 'qx:t2','20220101_000','cf1' ...
hbase(main):004:0> scan 'test', {COLUMNS => ['f:c1:toString','f:c2:toString'] } ROW COLUMN+CELL row-1 column=f:c1, timestamp=1587984555307, value=禅克 row-2 column=f:c2, timestamp=1587984555307, value=HBase老店 2 row(s) in 0.0180 seconds ...