Hadoop is an open-source framework that is primarily used for data storage, management, and analysis across massive datasets on commodity hardware clusters, making it a
HDFS Federation vs High Availability
This blog post will compare and contrast HDFS Federation and High Availability, two approaches that were designed as a solution for the NameNode single point
Apache Hive Questions and Answers-1
The collection of interview questions for Apache Hive is available here. I don’t claim full ownership of the questions and answers because the majority of
SQL Databases Default Ports
A port is a number that has been assigned to identify a connection endpoint individually and to direct data to a particular service. In other
NoSQL Databases Default Ports
A port is a number that has been assigned to identify a connection endpoint individually and to direct data to a particular service. In other
What is Data Mining?
Data mining is the process of identifying patterns and extracting information from big data sets using techniques that combine machine learning, statistics, and database systems.
Big Data & SQL 