Hive? Sure.... Assuming you mean that the id is a FK common amongst the tables...
Sent from a remote device. Please excuse any typos... Mike Segel On May 29, 2012, at 5:29 AM, "liuzhg" <liu...@cernet.com> wrote: > Hi, > > I wonder that if Hadoop can solve effectively the question as following: > > ========================================== > input file: a.txt, b.txt > result: c.txt > > a.txt: > id1,name1,age1,... > id2,name2,age2,... > id3,name3,age3,... > id4,name4,age4,... > > b.txt： > id1,address1,... > id2,address2,... > id3,address3,... > > c.txt > id1,name1,age1,address1,... > id2,name2,age2,address2,... > ======================================== > > I know that it can be done well by database. > But I want to handle it with hadoop if possible. > Can hadoop meet the requirement? > > Any suggestion can help me. Thank you very much! > > Best Regards, > > Gump > > >
