title: How to Append new data to already existing hive table
body: <p>How to append the records to existing partitioned Hive table?
  For example I have existing external Table called "ip_country" and dataset is testdata1. If dataset grows say like my dataset in next day is testdata1 and testdata2 then how to append new data i.e.., "testdata2" to "ip_country" hive table.</p>