Hive可以通過多種方式導出數據,其中常用的方法包括:
INSERT OVERWRITE DIRECTORY '/path/to/output'
SELECT * FROM table_name;
INSERT OVERWRITE LOCAL DIRECTORY '/path/to/output'
SELECT * FROM table_name;
INSERT INTO LOCAL DIRECTORY '/path/to/output'
SELECT * FROM table_name;
INSERT OVERWRITE TABLE new_table
SELECT * FROM table_name;