Tutorial : Spark SQL and DataFrames Operations using Spark 1.6

In previous tutorial, we  have explained about Spark Core and RDD functionalities. Now In this tutorial we have covered Spark SQL and DataFrame operation from different source like JSON, Text and CSV data files. And we have provided running example of each functionality for better support. Lets begin the tutorial and discuss about the SparkSQL and DataFrames Operations using Spark 1.6


Spark SQL is a component on top of Spark Core that introduces a new data abstraction called SchemaRDD, which provides support for structured and semi-structured data. Spark SQL is to execute SQL queries written using either a basic SQL syntax or HiveQL. It can also be used to read data from an existing Hive installation.It provides a programming abstraction called DataFrame and can act as distributed SQL query engine. Continue reading


Play 2.4.x & RethinkDB: Classic CRUD application backed by RethinkDB

In this blog We have created Classic CRUD application using Play 2.4.x , Scala and RethinkDB. Where Scala meets Object-Oriented things in Functional way, Play is a High Velocity Web Framework For Java & Scala and RethinkDB is the open-source, scalable database that makes building realtime apps dramatically easier.


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