Hi,

   1. what is the underlying DB, say Hive etc
   2. Is table transactional or you are going to do insert/overwrite to the
   same table
   3. can you do all this in the database itself assuming it is an RDBMS
   4. Can you provide the sql or pseudo code for such an update


HTH

Dr Mich Talebzadeh



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On 9 August 2016 at 13:39, sujeet jog <sujeet....@gmail.com> wrote:

> Hi,
>
> Is it possible to update certain columnr records  in DB  from spark,
>
> for example i have 10 rows with 3 columns  which are read from Spark SQL,
>
> i want to update specific column entries  and write back to DB, but since
> RDD"s are immutable i believe this would be difficult, is there a
> workaround.
>
>
> Thanks,
> Sujeet
>

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