Lazy Evaluation in Apache Spark

Lazy evaluation in Spark means that the execution will not start until an action is triggered. The Spark Lazy evaluation, users can divide into smaller operations. It reduces the number of passes... Read more »

Difference between Coalesce and Repartition- Hadoop Interview question

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How to create RDD in spark – Interview question

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Hive partition with example – Interview Question

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Hive Basic Important command in Hindi

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Hadoop Training Syllabus

During the class you will go through the following hadoop contents. Linux (Ubuntu/Centos) – Tips and Tricks Introduction to Big Data and Hadoop Hadoop ecosystem concepts Hadoop MapReduce concepts and features Hive... Read more »

Switch your career from Oracle DBA to Hadoop Bigdata

I have seen a many people those who want to switch their career from the Oracle DBA to the Hadoop but they are not sure how to start and from where to... Read more »