1、Hive实例操作
（1）创建本地movie.txt文件。
vim movie.txt
疑犯追踪 悬疑,动作,科幻,剧情Lie to me 悬疑,警匪,动作,心理,剧情
特种部队 战争,动作,灾难
（2）创建Hive表movie，
hive(hivedwh)>create table movie(
movie string,
category array<string>
)
row format delimited fields terminated
by "\t" collection items terminated
by ",";
（3）导入数据
load data local inpath "/opt/datas/movie.txt" into table movie;
（3）按需求查询数据
hive(hivedwh)>
select movie, category_name
from movie lateral view explode(category) subView
as category_name;
