How will you merge the contents of two or more relations and divide a single relation into two or more relations?162
Does 'ILLUSTRATE' run MR job?
What is dynamic partitioning and when is it used?
what is the default replication factor in HDFS?
explain Metadata in Namenode?
What are the problems with Hadoop 1.0?
Explain the LOAD keyword in Pig script?
What are combiners and its purpose?
how to share the metastore within multiple users?
How would you diagnose or do exception handling in the pig?
What is identity mapper and reducer? In which cases can we use them?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Name some companies that use Hadoop?
What is Derby database?
What is RDD?
How is reporting controlled in hadoop?