Hadoop history
*The genesis of Hadoop came from the Google File System paper[11] that was published in October 2003. This paper spawned another research paper from Google – MapReduce: Simplified Data Processin
[Hive]HiveServer2配置
HiveServer2(HS2)是一个服务器接口，能使远程客户端执行Hive查询，并且可以检索结果。HiveServer2是HiveServer1的改进版，HiveServer1已经被废弃。
[Hive]Lateral View使用指南
1. 语法
lateralView: LATERAL VIEW udtf(expression) tableAlias AS columnAlias (',' columnAlias)*
fromClause: FROM baseTable (lateralView)*
2. 描述
Lateral View一般与用户自定义表生成函数（如explode()）结合使用。