hive创建表，

hive创建表，

创建表：

from person0 p
insert overwrite table psn4
select p.id, p.name
insert overwrite table psn5
select p.likes

先创建表，然后再插入数据

Hive 建表
 CREATE TABLE person5
 (
    id INT,
    name STRING,
	age INT,
	sex STRING,
    likes ARRAY<STRING>,
    address MAP<STRING,STRING>
  )
  ROW FORMAT DELIMITED 
  FIELDS TERMINATED BY ',' 
  COLLECTION ITEMS TERMINATED BY '-'
  MAP KEYS TERMINATED BY ':' 
  LINES TERMINATED BY '\n';
  
Hive字段的默认值

from person0 p
insert overwrite table psn4
select p.id, p.name
insert overwrite table psn5
select p.likes

查询插入数据：

hive> insert overwrite local directory '/user/hive/warehouse/person2' select * from person0;
Query ID = root_20181227194555_f1c54fdf-2b36-4cd1-960a-64f26d19fb34
Total jobs = 1
Launching Job 1 out of 1
Number of reduce tasks is set to 0 since there's no reduce operator