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From Shahab Yunus <shahab.yu...@gmail.com>
Subject Re: How to join 2 tables using hadoop?
Date Fri, 19 Jul 2013 16:30:25 GMT
You can also look into Pig, if you already haven't. It supports various
kinds of joins and is simpler than writing your own M/R job (assuming that
you don't have complex or custom requirements.)


On Fri, Jul 19, 2013 at 12:24 AM, Pavan Sudheendra <pavan0591@gmail.com>wrote:

> Hi,
> I know that HBase by default doesn't support table joins like RDBMS..
> But anyway, I have a table who value contains a json with a particular
> ID in it..
> This id references another table where it is a key..
> I want to fetch the id first from table A , query table 2 and get its
> corresponding value..
> What is the best way of achieving this using the MR framework?
> Apologizes, i'm still new to Hadoop and HBase so please go easy on me.
> Thanks for any help
> --
> Regards-
> Pavan

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