Hive on Spark EXPLAIN statement

Hive on Spark EXPLAIN statement : 讲述了 Common Join / Map join / Bucket Map Join / Sorted Merge Bucket Map Join / skew join 在explain 中的 树结构 。In Hive, command EXPLAIN can be used to show the execution plan of a query. The language manual has lots of good information. For Hive on Spark, this command it