set hive.support.concurrency=true; set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager; set hive.enforce.bucketing=true; create table acid_iud(a int, b varchar(128)) clustered by (a) into 2 buckets stored as orc TBLPROPERTIES ('transactional'='true'); insert into table acid_iud select cint, cast(cstring1 as varchar(128)) from alltypesorc where cint < 0 order by cint limit 10; select a,b from acid_iud order by a; update acid_iud set b = 'fred'; select a,b from acid_iud order by a; delete from acid_iud; select a,b from acid_iud order by a;