Installing Apache Hive on Ubuntu
In this blog post we will install Apache Hive in Ubuntu Machine.Once installation is complete we will run Hive queries using Hive Query Language(HQL) to Verify the installation.
Big Data Analytics in Cancer Research
A single cancer patient on average can generate 1 Terabyte of biomedical diagnostic and clinical data. According to a paper from GLOBCAN 2018, there will be 18.1 million new cancer…
Blockchain Technology
Blockchain provides a trusted and distributed ledger with shared business process and parties.It allows any participant in the business network to see the one system of record or ledger.
List Files and Directories on Linux
The ls command is one of the basic and common commands that all Linux users should know. It is mainly used to list information about files and directories within the…
Partitions in Apache Hive
Partitions are fundamentally horizontal slices of data that allow large sets of data to be segmented into more manageable chunks. They are virtual columns acting as storage units but, not…
Hadoop Yarn and Its Commands
YARN stands for Yet Another Resource Negotiator. It is a centralized cluster resource management and job scheduling platform to deliver scalable operations across the cluster. It was introduced in Hadoop…
Introduction to Hive Query Language(HQL)
Apache Hive is a data warehouse software project built on top of Apache Hadoop for providing data summarization, query and analysis. Hive Query Language is SQL like query language which is used to query data from hive tables.
How can anyone Navigate on Linux using CD Command?
cd command, also known as chdir​ (change directory), is a command-line shell command. It is used in navigating the Linux/Unix system and is widely used when writing Shell Script. Change…
Introduction to Apache Hive
Apache Hive is a Data Warehousing Infrastructure built on top of Hadoop and provides table abstraction on top of data resident in HDFS as explained in their official page. It is used for providing data summarization ,query and analysis for large data sets.
Most Useful Database Queries
A query is a request for data or information from a database table or combination of tables. This data may be generated as results returned by Structured Query Language (SQL) or as pictorials, graphs or complex results, e.g., trend analyses from data-mining tools.This blog post gives an introduction to some of the useful database queries.