摘要: 1、创建视图:hive> CREATE VIEW valid_records AS SELECT * FROM records2 WHERE temperature !=9999; 2、查看视图详细信息:hive> DESCRIBE EXTENDED valid_records; 3、从表中导出数据 阅读全文
posted @ 2021-09-25 12:21 yasai 阅读(113) 评论(0) 推荐(0)