create [external] table t1(id int, value string) stored by 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' with serdeproperties('hbase.column.mapping'=':key,f:name'); 如果想创建一个指向已经存在的HBase表的话,需要使用external 来自为知笔记(Wiz)…
与hbase外部表(wizad_mdm_main)进行join出现问题: CREATE TABLE wizad_mdm_dev_lmj_edition_result as select * from wizad_mdm_dev_lmj_20141120 as w JOIN wizad_mdm_main as a ON (a.rowkey = w.guid); 程序启动后,死循环,无反应.最后在进行到0.83时,内存溢出失败. 原因: 默认情况下,Hive会自动将小表加到Distribute…
* Hive创建表的三种方式 1.使用create命令创建一个新表 例如:create table if not exists db_web_data.track_log(字段) partitioned by (date string,hour string) row format delimited fields terminated by '\t'; 2.把一张表的某些字段抽取出来,创建成一张新表 例如:create table backup_track_log as select * fr…