set hive.support.concurrency=true; set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager; create table T1(key string, val string) stored as textfile; LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1; select * from T1; create table T2(key string, val string) stored as textfile; insert overwrite table T2 select * from T1; select * from T2; drop table T1; drop table T2;