hive数据库导入与导出

Posted 2020-11-23 123456www

原文连接：https://www.cnblogs.com/654wangzai321/p/9970321.html

把Hive表数据导入到本地

table->local file
insert overwrite local directory ‘/root/hive_test/1.txt‘ select * from behavior_table;

 

把Hive表数据导入到HDFS上

table->hdfs file
insert overwrite directory ‘/root/hive_test/1.txt‘ select * from behavior_table;

 

 把本地数据导入到Hive表中

local file -> table
LOAD DATA LOCAL INPATH ‘/root/hive_test/a.txt‘ OVERWRITE INTO TABLE behavior_table;

 

把HDFS上的数导入到HIve表中

hdfs file -> table
LOAD DATA INPATH ‘/a.txt‘ OVERWRITE INTO TABLE behavior_table;