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
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