09: Q76– Q88 Apache Hive partitioning, bucketing, map join, skewed data, vectorization & denormalization interview Q&As

Posted on October 31, 2016 by

This extends Apache Hive basics interview questions & answers. Q76. What are the 3 key considerations in processing data in HDFS compared to traditional RDBMS or EDW (i.e. Enterprise Data Warehouse)? AQ76. 1) partitioning, 2) bucketing, and 3) denormalization. Let’s…

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09: Q76– Q88 Apache Hive partitioning, bucketing, map join, skewed data, vectorization & denormalization interview Q&As

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