I got it. Makes total sense!
Thank you for your explanation.
On Fri, 2013-05-31 at 20:04 +, Sanjay Subramanian wrote:
> Hi
> Hive reads and writes to HDFSŠand by definition HDFS is write once and
> immutable after that.
> So like an RDBMS there is no concept of an update rows.
> However if u
Hi
Hive reads and writes to HDFSŠand by definition HDFS is write once and
immutable after that.
So like an RDBMS there is no concept of an update rows.
However if u want to delete some records based on a criteria, yesterday
there was a smart post about it, basically selecting the inverse and doing