Yes, We need to migrate data from Teradata to Hadoop/HDFS, then only we can use Impala on the respective data.. or  DRILL is best for these type of use cases, there are connectors to Hadoop systems with drill Please check below link. https://drill.apache.org/docs/file-system-storage-plugin/   ... View more

Hi,  Whenever you create directory in '/' of cloudera by using following command #hdfs dfs -mkdir myfiles   it will take cloudera as the user ...so it creates diectory under '/user/cloudera' inside this myfiles will be created and to access this location from the programs or from queries should use 'hdfs://quikstart.cloudera/user/cloudera/myfiles'.   Than you ... View more