2015年5月20日
HIVE: Map Join Vs Common Join, and SMB
摘要： HIVEMap Join is nothing but the extended version of Hash Join of SQL Server - just extending Hash Join into Distributed System.SMB(Sort Merge Bucket)J... 阅读全文
posted @ 2015-05-20 15:55 Ready! 阅读(1942) 评论(0) 推荐(0) 编辑