April 2015
Beginner to intermediate
194 pages
4h 18m
English
Content preview from Hadoop EssentialsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Connectors and drivers
Sqoop utility needs drivers and connectors for data transfer between a database and Hadoop. One of the important step in configuring Sqoop is to get the driver and configure it with Sqoop. Drivers are required by Sqoop to connect with them and should be the JDBC drivers for Sqoop 1 that are provided by the database vendor for the respective database. Drivers are not shipped with Sqoop as some drivers are licensed, hence we have to get the JDBC driver of the database and keep it in the Sqoop library. Connectors are required to optimize the data transfer by getting metadata information of the database. All RDBMS Databases use SQL, but some commands and syntax vary with other databases. This makes it difficult to get the metadata ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.