What are SQL Unions?

Post author:nitendratech
Post category:Database
Post comments:1 Comment
Post published:June 5, 2020

SQL Stands for Structured Query Language(SQL). SQL UNION combines the results of two or more queries into a single result set in a database that includes all the rows that…

What is Apache HBase? Architecture and Features

Post author:nitendratech
Post category:Big Data
Post comments:3 Comments
Post published:June 2, 2020

Apache HBase is an open-source, non-relational, distributed database modeled after Google's BigTable. It is developed as part of the Apache Software Foundation and is written in Java. It sits on…

Apache Kafka Important Components

Post author:nitendratech
Post category:Kafka
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Post published:June 1, 2020

In the earlier blog, we read about Apache Kafka and its architecture. In this blog post, we will learn about Apache Kafka's Important components. Zookeeper It is the coordination interface…

SparkSession in Apache Spark

Post author:nitendratech
Post category:Spark
Post comments:2 Comments
Post published:May 24, 2020

SparkSession has been the main entry point to Spark applications since Spark 2.0. Before Spark 2.0 Spark Context was the main entry point for any Spark applications. We see how…

Installing Oracle Database using Docker on macOS

Post author:nitendratech
Post category:Technology
Post comments:0 Comments
Post published:May 10, 2020

Oracle Database Server 12c is an industry-leading relational database server. This Docker Image contains the Oracle Database Server 12 Enterprise Edition running on Oracle Linux 7. This image contains a…

What are Apache Pig execution Modes?

Post author:nitendratech
Post category:Big Data
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Post published:May 6, 2020

We can run Apache Pig Latin code and Pig statements using various modes. We will go through all of the Apache Pig execution modes in detail in this blog post.

Important Homebrew Commands

Post author:nitendratech
Post category:Technology
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Post published:May 2, 2020

Homebrew is a free and open-source package management system that makes it easier to install software on Apple MacOS and Linux. It is easy to use and integrates well into…

Introduction to Apache Flume: Components and Channels

Post author:nitendratech
Post category:Big Data
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Post published:April 30, 2020

Apache Flume is an Apache open source project used for moving massive quantities of streaming data into HDFS. It collects log data from the web server logs files and aggregates…

Loops in Bash Scripting

Post author:nitendratech
Post category:Linux
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Post published:April 25, 2020

Loops in Bash Scripting are the process of repeating the same script or logic many numbers of times. It works best when it is used for any of the below…

What is Amazon Web Services(AWS)?

Post author:nitendratech
Post category:Technology
Post comments:1 Comment
Post published:April 22, 2020

AWS, or Amazon Web Services, is a subsidiary of Amazon that provides various cloud computing options. It provides certain on-demand resources for hosting web services, storage, networking, databases, and other…