Re: hive newb questions

2013-03-04 Thread Nitin Pawar
Select * from table without any where condition will never run MR job Hive does not cache your query results. If you rerun your query everything will be repeated for each repeatation How many days you should keep data...as long as it means something to you or it has some value in storing foe futu

hive newb questions

2013-03-04 Thread Sai Sai
Hi I was wondering if it is right to assume: 1. The first time we create a table in hive and load it followed by running the first query like Select * from Table1 will result in a MR job running and will get the data to us. If we run the same query second time MR job will not run but will res