Join 配置单元表与计数联接
假设有两个表,Join 配置单元表与计数联接,join,hive,inner-join,hiveql,Join,Hive,Inner Join,Hiveql,假设有两个表,user和comments。下面是每个表中的字段 用户: userid username commentID commentDescription userid userid username commentDescription 评论: userid username commentID commentDescription userid userid username commentDescription 编写查询以查找评论超过2条的用户 o/p文件: userid
user
和comments
。下面是每个表中的字段
用户:
userid
username
commentID
commentDescription
userid
userid
username
commentDescription
评论:
userid
username
commentID
commentDescription
userid
userid
username
commentDescription
编写查询以查找评论超过2条的用户
o/p文件:
userid
username
commentID
commentDescription
userid
userid
username
commentDescription