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Hive >> mail # user >> Quering RDBMS table in a Hive query

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Quering RDBMS table in a Hive query
Hello to everyone,

I need to join hdfs data with little data taken from RDBMS. A possible
solution is to import RDBMS data to a regular hive table using Sqoop,
but this way I'll have to keep that imported hive table up-to-date
which means that I will have to update it every time before joining in
a query.
Is there a way to load RDBMS data on the fly? Maybe a UDF which would
take RDBMS connection properties and load the data?

Thanks in advance,
Ruslan Al-Fakikh