2023學(xué)年完整公開(kāi)課版hbase項(xiàng)目實(shí)戰(zhàn)4

hbase項(xiàng)目實(shí)戰(zhàn)2hbase項(xiàng)目實(shí)戰(zhàn)3hbase項(xiàng)目實(shí)戰(zhàn)啟動(dòng)先電大數(shù)據(jù)平臺(tái)的Hbase數(shù)據(jù)庫(kù)，其中要求使用master節(jié)點(diǎn)的RegionServer。在LinuxShell中啟動(dòng)Hbaseshell，查看HBase的版本信息。將以上操作命令[root@master~]#hbaseshellHBaseShell;enter'help<RETURN>'forlistofsupportedcommands.Type"exit<RETURN>"toleavetheHBaseShellVersion.6.1.0-129,r718c773662346de98a8ce6fd3b5f64e279cb87d4,WedMay3103:27:31UTC2017hbase(main):004:0>version.6.1.0-129,r718c773662346de98a8ce6fd3b5f64e279cb87d4,WedMay3103:27:31UTC20174hbase項(xiàng)目實(shí)戰(zhàn)hbase(main):017:0>scan'test2'ROWCOLUMN+CELLrow1column=address:,timestamp=1538313141477,value=jnrow1column=info:name,timestamp=1538313162944,value=xiaoming1row(s)in0.0130secondshbase(main):018:0>put'test2','row2','address','hz'0row(s)in0.0080secondshbase(main):019:0>put'test2','row2','info:name','zhangsan'0row(s)in0.0100seconds5hbase項(xiàng)目實(shí)戰(zhàn)hbase(main):020:0>scan'test2'ROWCOLUMN+CELLrow1column=address:,timestamp=1538313141477,value=jnrow1column=info:name,timestamp=1538313162944,value=xiaomingrow2column=address:,timestamp=1538313191086,value=hzrow2column=info:name,timestamp=1538313215070,value=zhangsan2row(s)in0.0210secondshbase(main):021:0>get'test1','row1'COLUMNCELLaddress:timestamp=1538311384784,value=jninfo:nametimestamp=1538311423084,value=xiaoming2row(s)in0.0850seconds6hbase項(xiàng)目實(shí)戰(zhàn)登錄hbase數(shù)據(jù)庫(kù)，創(chuàng)建一張表，列族為'address'，'info'，創(chuàng)建完之后，向該表插入數(shù)據(jù)，插入完畢后，使用scan命令查詢?cè)摫碇付╯tartrow的信息hbase(main):001:0>create'test4','address','info'0row(s)in2.8720seconds=>Hbase::Table-test4hbase(main):002:0>put'test4','row1','address','jinan'0row(s)in0.5150secondshbase(main):003:0>put'test4','row1','info:name','zhangsan'0row(s)in0.0100secondshbase(main):004:0>put'test4','row2','info:name','lisi'0row(s)in0.0070seconds7hbase項(xiàng)目實(shí)戰(zhàn)hbase(main):005:0>put'test4','row2','address','jining'0row(s)in0.0080secondshbase(main):006:0>scan'test4'ROWCOLUMN+CELLrow1column=address:,timestamp=1538313652036,value=jinanrow1column=info:name,timestamp=1538313666688,value=zhangsanrow2column=address:,timestamp=1538313688988,value=jiningrow2column=info:name,timestamp=1538313675905,value=lisi2row(s)in0.0390seconds8hbase項(xiàng)目實(shí)戰(zhàn)hbase(main):007:0>get'test4','row1'COLUMNCELLaddress:timestamp=1538313652036,value=jinaninfo:nametimestamp=1538313666688,value=zhangsan2row(s)in0.0410seconds9hbase項(xiàng)目實(shí)戰(zhàn)在關(guān)系數(shù)據(jù)庫(kù)系統(tǒng)中，命名空間namespace是表的邏輯分組，同一組中的表有類似的用途。登錄hbase數(shù)據(jù)庫(kù)，新建一個(gè)命名空間叫newspace并用list查詢，然后在這個(gè)命名空間中創(chuàng)建表，列族為'address'，'info'，創(chuàng)建完之后，向該表插入數(shù)據(jù)，插入完畢后，使用scan命令只查詢表中特定的信息hbase(main):008:0>create_namespace'newspace'0row(s)in0.1610secondshbase(main):009:0>create'newspace:table1','address','info'0row(s)in2.2870seconds=>Hbase::Table-newspace:table1hbase(main):010:0>put'newspace:table1','row1','address','jinan'0row(s)in0.0170seconds10hbase項(xiàng)目實(shí)戰(zhàn)hbase(main):011:0>put'newspace:table1','row1','info:name','xiaoming'0row(s)in0.0060secondshbase(main):012:0>put'newspace:table1','row1','address','heze'0row(s)in0.0080secondshbase(main):013:0>put'newspace:table1','row2','info:name','wanger'0row(s)in0.0530secondshbase(main):004:0>scan'newspace:table1',{COLUMNS=>'address'}ROW