进入hive
[root@node129 bin]# hive which: no hbase in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin) Logging initialized using configuration in jar:file:/home/console/hive/lib/hive-common-2.1.1-cdh6.1.1.jar!/hive-log4j2.properties Async: false WARNING: Hive CLI is deprecated and migration to Beeline is recommended.
创建数据库
hive> create database hive; OK Time taken: 4.805 seconds hive> show databases; OK default dqe_echo dqe_sakila hive test_dqe Time taken: 0.201 seconds, Fetched: 5 row(s) hive> use hive; OK Time taken: 0.058 seconds hive> use hive; OK Time taken: 0.058 seconds
创建数据表
hive> create table usr(id int,name string,age int); OK Time taken: 0.969 seconds hive> show tables; OK usr Time taken: 0.194 seconds, Fetched: 1 row(s)
插入数据
hive> insert into usr values(1,'jack',22); Query ID = root_20191119173853_1ad89220-23f7-43d2-8016-ad88568b5a81 Total jobs = 3 Launching Job 1 out of 3 Number of reduce tasks is set to 0 since there's no reduce operator Starting Job = job_1573734042476_0001, Tracking URL = http://node128:8088/proxy/application_1573734042476_0001/ Kill Command = /home/console/hadoop/hadoop/bin/hadoop job -kill job_1573734042476_0001 Hadoop job information for Stage-1: number of mappers: 1; number of reducers: 0 2019-11-19 17:39:30,044 Stage-1 map = 0%, reduce = 0% 2019-11-19 17:40:16,483 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 6.43 sec MapReduce Total cumulative CPU time: 6 seconds 430 msec Ended Job = job_1573734042476_0001 Stage-4 is selected by condition resolver. Stage-3 is filtered out by condition resolver. Stage-5 is filtered out by condition resolver. Moving data to directory hdfs://nameservice1/user/hive/warehouse/hive.db/usr/.hive-staging_hive_2019-11-19_17-38-53_689_8783530819797612524-1/-ext-10000 Loading data to table hive.usr MapReduce Jobs Launched: Stage-Stage-1: Map: 1 Cumulative CPU: 6.43 sec HDFS Read: 4407 HDFS Write: 74 HDFS EC Read: 0 SUCCESS Total MapReduce CPU Time Spent: 6 seconds 430 msec OK Time taken: 86.97 seconds
查询数据
hive> select * from usr; OK 1 jack 22 Time taken: 0.091 seconds, Fetched: 1 row(s)
