hive分区操作
-------创建分区表，指定分区的字段为country
create table t_sz_part(id int,name string)
partitioned by(country string)
row format delimited
fileds terminated by ',';
--------导入数据，指定导入到哪个分区，用country标识
load data local inpath '/home/hadoop/sz.data' into table t_sz_part partition(country='China');
load data local inpath '/home/hadoop/sz2.data' into table t_sz_part partition(country='Japan')