说明：  Apache Hive 是基于Hadoop的一个数据仓库工具，用来进行数据提取、转化、加载，这是一种可以存储、查询和分析存储在Hadoop中的大规模数据的机制。hive数据仓库工具能将结构化的数据文件映射为一张数据库表，并提供SQL查询功能，能将SQL语句转变成MapReduce任务来执行。
(Apache hive is a data warehouse tool based on Hadoop, which is used to extract, transform and load data. It is a mechanism that can store, query and analyze large-scale data stored in Hadoop. Hive data warehouse tool can map the structured data file into a database table, and provide SQL query function. It can transform SQL statement into MapReduce task to execute.)