登陆(docker中)：
beeline -u "jdbc:hive2://localhost:10000/default

建库：
select current_databases();
usedefault
create database myhive1
use myhive1

建表：(有LOCATION的是外部表)
CREATE EXTERNAL TABLE IF NOT EXISTS employee_external ( 
 name string,
 work_place ARRAY<string>,
 sex_age STRUCT<sex:string,age:int>,
 skills_score MAP<string,int>,
 depart_title MAP<STRING,ARRAY<STRING>>
)
COMMENT 'This is an external table'
ROW FORMAT DELIMITED
FIELDS TERMINATED BY '|'
COLLECTION ITEMS TERMINATED BY ','
MAP KEYS TERMINATED BY ':'
STORED AS TEXTFILE
LOCATION '/user/dayongd/employee';
(ppt P26)

查表：
select * from <table_name>

推文件(docker 中)：
                          (在hdfs中建个文件夹 hdfs dfs -mkdir /cjr)

外部表:
hdfs dfs -put xxx.txt /.../<table_name>/  
//这里的路径（因为是外部表）就是LOCATION：内部表的话就是apps/hive/<table_name>/
内部表：
hdfs dfs -put xxx.txt /apps/hive/warehouse/<db_name>/<table_name>

删除表：
drop table <table_name>;

-------------------------------------------------------------------------------------------
CREATE EXTERNAL TABLE IF NOT EXISTS customers_internal2 (
number int,
name string,
name2 string,
useless1 string,
useless2 string,
info1 string,
info2 string,
info3 string,
info4 int
)
ROW FORMAT DELIMITED
FIELDS TERMINATED BY ','
COLLECTION ITEMS TERMINATED BY ' '
MAP KEYS TERMINATED BY ':'
STORED AS TEXTFILE;