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Scenario: In my recent project after Source Database refresh we need to push to target server. We have views created in separate data... -
YARN - Giant leap in hadoop. Has provided facility to use “App Master” to control the process flow. So how can we leverage this?? ... -
Scenario: Some times we want to make TOP Count as Dynamically then passing parameter to TOP command will not work. We have to add paramete... -
Resolution: Create Admin account under HDFS user folder using below command sudo -u hdfs hadoop fs -mkdir /user/admin -
Best Practices: A distribution key should not have more than 2 columns, recommended is 1 column. While modeling a database,...
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