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Installing Spark on Windows (pyspark)
Prerequisite: Follow these steps to install Apache Spark on windows machine. Now-a-days Python is used by many applications. So it is...


Kafka Consumer Advance (Java example)
Kafka Commits, Kafka Retention, Consumer Configurations & Offsets - Prerequisite Kafka Overview Kafka Producer & Consumer Commits & Offset..


Apache Spark Interview Questions
This post include Big Data Spark Interview Questions and Answers for experienced and beginners. If you are a beginner don't worry, answers..


Apache Avro Schema Example (in Java)
Introduction Avro provides data serialization based on JSON Schema. It is language neutral data serialization system, means a language A...


Kafka Producer and Consumer example (in Java)
In this Kafka pub sub example you will learn, Kafka producer components (producer api, serializer and partition strategy) Kafka producer...


Apache Kafka Overview (Windows)
Apache Kafka is middleware solution for enterprise application. It was initiated by LinkedIn lead by Neha Narkhede and Jun Rao. Initially...


Frequently asked Informatica interview questions and answers 2019
Frequently asked Informatica interview questions and answers 2019 for experienced and freshers. What is Informatica and Enterprise Data..


Kafka Producer Example
In this Apache Kafka tutorial you will learn - How to Install Apache Kafka on Mac using homebrew. To install Kafka on linux machine refer ..


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In Indian Army, a cadet upon completion of training is commission into service in either Permanent Commission (PC) or Short Service ..


Write CSV/JSON data to Elasticsearch using Spark dataframes
Elasticsearch-hadoop connector allows Spark-elasticsearch integration in Scala and Java language. Elasticsearch-hadoop library helps...


Spark Transformation example in Scala (Part 2)
Main menu: Spark Scala Tutorial In this post I will walk you through groupByKey, reduceByKey, aggregateByKey, sortByKey, join, cartesian,...


Apache Spark Tutorial Scala: A Beginners Guide to Apache Spark Programming
Learn Apache Spark: Tutorial for Beginners - This Apache Spark tutorial documentation will introduce you to Apache Spark programming..


SQL Server 2014 Standard Download & Installation
In this post, you will learn how to download and install SQL Server 2014 from an ISO image. I will also download the AdventureWorks...


Create SSIS package in Visual Studio 2017
In this tutorial, you will learn how to create an SSIS (SQL Server Integration Services) package in Visual Studio 2017 step by step. For...


How to clear Google cloud professional data engineer certification exam?
In this blog you will learn - How to get Google cloud certification? How much it cost to get Google certified? Best Google certification...


A Day in the Life of a Computer Programmer
As a computer programmer, my daily life is actually kind of weird. I did my undergrad in computer science and worked with Microsoft for 4...


Mutable vs Immutable Objects in Python example
Everything in Python is an object and all objects in Python can be either mutable or immutable. Immutable objects: An object with a fixed...


How to write single CSV file using spark?
Apache Spark by default writes CSV file output in multiple parts-*.CSV, inside a directory. Reason is simple it creates multiple files...


How to Pull Data from Oracle IDCS (Identity Cloud Services) Rest API
Oracle IDCS has various rest APIs that can be used to pull data and you can utilize it further for data analytics. Let's see how we can...