set hive.enforce.bucketing = true;
 set hive.enforce.sorting = true;
 set hive.exec.dynamic.partition = true;
 set hive.exec.dynamic.partition.mode=nonstrict;
 set hive.exec.max.dynamic.partitions.pernode=1000;
 FROM MasteringHadoop.worldcities_external
 INSERT OVERWRITE TABLE MasteringHadoop.worldcities PARTITION(region_p)
 SELECT code, name, fullName, region, population, lat, long, region WHERE region IS NOT NULL;
 
 
