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

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)? …



13: Q98 – Q104 Apache Hive Basics Interview questions & answers

Q98. What is Hive? A98. Hive is used for accessing and analyzing data in Hadoop using SQL syntax. It is known as the HiveQL. Q99. What is the difference between Hive …



Apache Hive for Slowly Changing Dimension (i.e. SCD) interview Q&As

Q1. What is a Slowly Changing Dimension (i.e. SCD)? A1. SCD means the dimensions that change slowly over time, rather than changing on regular basis. For example, change in customer name …



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