Echo Machinery offers spare parts for the quarry, mining, cement aggregate, Recycling, Shredding fields. It ranges from the drill rod, buckets of excavator and wheel loader, crusher spare parts, construction machinery parts, brass bush, conveyor and screen spare parts, beneficiation equipment spare......
文章浏览阅读1.9k次。1.数据库1.1 创建数据库 在 HDFS 上的默认存储路径是/user/hive/warehouse/*.dbcreate database if not exists Test;1.2 创建指定HDFS上的位置CREATE database if not exists Testother location '/20220421.db'; 1.3 修改数据库 使用 ALTER DATA......