Posted On: Dec 31, 2020
In the hive, Incremental load is generally used to implement slowly changing dimensions. When you migrate your data to the Hadoop Hive, you might usually keep the slowly changing tables to sync up tables with the latest data.
Never Miss an Articles from us.
Apache Hadoop is used to process a huge amount of data. The architecture of Apache Hadoop consists of Hadoop components and various technologies which is helpful to solve complex data problems easily....
MR stands for MapReduce. The Difference between MR1 and MR2 are as follows: The earlier version of the map-reduce framework in Hadoop 1.0 is called MR1. The newer version of MapReduce is known as MR2...
Bucketing is defined as a technique offered by Apache Hive to decompose data into more manageable parts, also known as buckets that enhance query performance. Bucketing allowed by partitioning, where ...