hive>CREATE EXTERNAL TABLE IMG_ANA(clientIp STRING,tmp1 STRING,tmp2 STRING,time STRING,finename STRING,status STRING,size INT,reffer STRING,useragent STRING,tmp3 STRING,machineip STRING,mastatus STRING,tmp4 INT,tmp5 STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY "|" STORED AS TEXTFILE LOCATION '/img/acchive';
hadoop中已经有相应的数据，但是想通过hive查询时需要建立外联表，然后就可以直接在hive中查询操作。外联表例子如上
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