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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 ..


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...


Just enough Scala for Spark
In this tutorial you will learn just enough Scala for Spark, it's like a quick guide for Scala basics needed for Spark programming, Scala...


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,...


Spark Transformations example (Part 1)
Apache Spark transformations like Spark reduceByKey, groupByKey, mapPartitions, map etc are very widely used. Apart from these...


Understanding SparkContext textFile & parallelize method
Main menu: Spark Scala Tutorial In this blog you will learn, How Spark reads text file or any other external dataset. Referencing a...


What is SparkContext (Scala)?
Main menu: Spark Scala Tutorial In this blog you will learn, How to start spark-shell? Understanding Spark-shell. Creating Spark context...


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 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...


Spark RDD, Transformations and Actions example
Main menu: Spark Scala Tutorial In this Apache Spark RDD tutorial you will learn about, Spark RDD with example What is RDD in Spark?...