Thanks Nitin! What about building index? my experience is that it take long time to build index, is it that true or I just didn't do it right?
On Tue, Mar 19, 2013 at 11:22 AM, Nitin Pawar <nitinpawar...@gmail.com>wrote: > indexes are definitely a help if you have aggregation function in your > queries or group by's > > sometimes if you have crossjoins it will be helpful as well > > > On Tue, Mar 19, 2013 at 11:44 PM, Echo Li <echo...@gmail.com> wrote: > >> Good day, >> >> I wonder how much hive index helps, I had a test before seems it take >> long time to build index, hope to learn something from folks here that have >> good experience on it. >> >> thanks! >> echo >> > > > > -- > Nitin Pawar >