HBaseShell常用操作第3章學習目標1.掌握HBaseShell操作HBaseContents目錄HBaseShell操作13HBaseShell操作進入HBase客戶端命令行hbaseshell0．創建表(create'表名','列族')(HBase建表時必須加上表名和列族名)hbase(main):001:0>create'test','info'3HBaseShell操作1．查看表(list)hbase(main):002:0>list3HBaseShell操作2．插入數據到表(put'表名','rowkey','列族:列名','數據')

hbase(main):003:0>put'test','1001','info:name',jhon'hbase(main):004:0>put'test','1001','info:age','18'hbase(main):005:0>put'test','1002','info:name','Janna'3HBaseShell操作3、查看“指定行”或“指定列族:列”的數據(get'表名','rowkey')(get'表名','rowkey','列族:列')hbase(main):006:0>get'test','1001'hbase(main):007:0>get'test','1001','info:name'3HBaseShell操作4．查看表結構(describe)hbase(main):008:0>describe'test'3HBaseShell操作5．修改列族(alter)//修改列族信息，將最大時間戳版本設為3hbase(main):009:0>alter'test',{NAME=>'info',VERSIONS=>3}//添加列族info2hbase(main):010:0>alter'test','info2’//刪除列族info2hbase(main):012:0>alter'table','delete'=>'cf2'3HBaseShell操作6．更新指定字段的數據并查看(put'表名','rowkey','列族:列名','數據')hbase(main):013:0>put'test','1001','info:name','nick'hbase(main):014:0>put'test','1001','info:age','22'hbase(main):016:0>get'test','1001',{COLUMN=>'info:name',VERSIONS=>3}展示出來的歷史時間戳版本數據3HBaseShell操作7．掃描查看表數據(scan)//掃描整張表hbase(main):018:0>scan'test'//指定rowkey范圍掃描表hbase(main):019:0>scan'test',{STARTROW=>'1001',STOPROW=>'1001'}hbase(main):020:0>scan'test',{STARTROW=>'1001'}3HBaseShell操作8．統計表數據行數(count)hbase(main):021:0>count'test'3HBaseShell操作9．刪除數據(deleteall，delete)(實際上數據依然存在，只是標記不可見，會被定時清理）//刪除某rowkey的全部數據：hbase(main):022:0>deleteall'test','1001’//刪除某rowkey的某一條數據：hbase(main):023:0>delete'test','1002','info:name'3HBaseShell操作10．清空表數據(truncate)hbase(main):025:0>truncate'test'3HBaseShell操作11．禁用、啟用、刪除表(disable,enable,exists,drop)(想要刪除表，需要先禁用表)//禁用表hbase(main):030:0>disable'test’//啟用表hbase(main):031:0>enable'test’//查詢表是否存在hbase(main):032:0>exists'test'3H