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From: Alexander Pivovarov [mailto:apivova...@gmail.com]
Sent: 27 April 2015 22:05
To: user@hive.apache.org
Subject: RE: How to compare data in two tables?
Golden source is Oracle DB.
Ihave two cases:
1. Tables are overwritten completly every day.
2. Tables are incrementally loaded. PK is auto incremented number in Oracle.
What you think if I concat all cells of a row to a string. Get int hashcode
from the string.
And then sum hashcodes to get a
Hi Alex,
Am I correct that the source of data resides in a relational table and that
table has all the data already (the golden source) sent to both instances of
Hive? Is the data in Hive added incrementally daily with “operation timestamp”
for each record? Also do you have a unique identif