Hive中追加导入数据的4种方式是什么?请写出简要语法
答:
1、从本地导入: load data local inpath ‘/home/1.txt’ (overwrite)into table student;
2、从Hdfs导入: load data inpath ‘/user/hive/warehouse/1.txt’ (overwrite)into table student;
3、查询导入: create table student1 as select * from student;(也可以具体查询某项数据)
4、查询结果导入:insert (overwrite)into table staff select * from track_log;
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