文本文件进行统计分析:id, name, age, city1001,zhangsan,45,beijing1002,lisi,35,shanghai1003,wangwu,29,tianjin....... table定义:personcolumn定义: id:int name:string age: int city:stringhive:load data sql: query.... Hive: 类似于sql的Hive QL语言, sql==>mapreduce 特点:mapreduce