Hive查询客服电话练习

如图片,我自己建了两个表格模拟数据库内容, 如下: table:call table:sep create table call(case_id int, create_time date,deal_name string,deal_group string) row format delimited fields terminated by ‘,’; load data local inpath ‘/opt/module/data/call.txt’ into table call; create table sep(feed_id int, case_id int, eva_end_