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From Iwan Memruk <iwan.mem...@gmail.com>
Subject Re: Join in HBase
Date Wed, 15 Jul 2009 10:51:17 GMT
You should also think of the option to denormalize your data so that it is
stored together and there is no need for join in the first place

On Wed, Jul 15, 2009 at 8:52 AM, bharath vissapragada <
bharathvissapragada1990@gmail.com> wrote:

> Amandeep , can you tell me what kinds of joins u have implemented ? and
> which works the best (based on observation ).. Can u show us the source
> code
> (if possible)
>
> Thanks in advance
>
> On Wed, Jul 15, 2009 at 10:46 AM, Amandeep Khurana <amansk@gmail.com>
> wrote:
>
> > I've been doing joins by writing my own MR jobs. That works best.
> > Not tried cascading yet.
> >
> > -ak
> >
> > On 7/14/09, bharath vissapragada <bharathvissapragada1990@gmail.com>
> > wrote:
> > > Thats fine .. I know that hbase has completely different usage compared
> > to
> > > SQL .. But for my application there is some kind of dependency involved
> > > among the tables . So i need to implement a Join . I wanted to know
> > whether
> > > there is some kind of implementation already
> > > ..
> > >
> > > Thanks
> > > On Wed, Jul 15, 2009 at 10:30 AM, Ryan Rawson <ryanobjc@gmail.com>
> > wrote:
> > >
> > >> HBase != SQL.
> > >>
> > >> You might want map reduce or cascading.
> > >>
> > >> On Tue, Jul 14, 2009 at 9:56 PM, bharath
> > >> vissapragada<bharat_v@students.iiit.ac.in> wrote:
> > >> > Hi all ,
> > >> >
> > >> > I want to join(similar to relational databases join) two tables in
> > HBase
> > >> .
> > >> > Can anyone tell me whether  it is already implemented in the source
> !
> > >> >
> > >> > Thanks in Advance
> > >> >
> > >>
> > >
> >
> >
> > --
> >
> >
> > Amandeep Khurana
> > Computer Science Graduate Student
> > University of California, Santa Cruz
> >
>

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