THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
sqoop export --connect jdbc:teradata://terahost/DATABASE=MYDB --username myuser --password mypass
--export-dir /user/hive/warehouse/mydb.db/data_stg
...
sqoop export -Doraoop.export.merge=true -Doraoop.update.key.extra.columns="period_start_time" -D mapred.map.max.attempts=1
1 --connect ... --username user --password pass --table table2 --export-dir /user/hive/warehouse/tables/mytable
--verbose -m 16 --update-key co_gid